On this page you can find an overview of all the blog posts that I have written over the years.

  1. Urbanization promotes hybridization between Common Swift and Pallid Swift
  2. The reticulated evolution of the Bean Goose complex
  3. Past, present and future of a huge inversion in the Common Quail
  4. Inbred House Sparrow nestlings have shorter telomeres
  5. Blue-eyed Shags colonized Southern Ocean islands in two waves
  6. Reclassifying Robins: Two new species on the Canary Islands
  7. The beak color of the finch
  8. The evolution of multi-copy genes on the W-chromosome
  9. Calling fast and slow: Hybridization risk affects female choice in Spadefoot Toads
  10. Is Lilian’s Meadowlark a distinct species?
  11. Applying the Biological Species Concept to Bacteria
  12. What caused the decline of the Green Peafowl?
  13. Slow down, please: The evolution of beak morphology in Tanagers
  14. How different are Mallards and Chinese Spot-billed Ducks on a genetic level?
  15. Big geological events and a small bird: the evolutionary story of the Rifleman
  16. What determines range shifts up and down tropical mountains?
  17. Adaptive introgression between two high-altitude duck species
  18. Is the Altai Snowcock a hybrid species?
  19. The ebb and flow of the Taiwan Strait shaped patterns of gene flow between two partridge species
  20. Puffin population structure: There is more than meets the eye
  21. Extensive introgression between Red-naped and Yellow-bellied Sapsucker
  22. What is a species anyway?
  23. Genetic mismatches in the Long-tailed Finch
  24. Stuck in a Ruff: Having a supergene is not always super
  25. Should we save the Kākāpō?
  26. Does founder-effect speciation occur in the Silvereye?
  27. How did snowfinches adapt to high-altitude environments?
  28. Convergent evolution of color morphs in Skuas
  29. Two American sparrows with similar mtDNA: Rapid speciation or hybridization?
  30. How Amazon parrots spread across the Greater Antilles
  31. Scientists “resurrect” ancient proteins to understand how penguins can hold their breath for so long
  32. Ancient gene flow complicates phylogenetic analyses of leaf warblers
  33. The danger of few genetic markers: Revisiting introgression between Chukar and Red-legged Partridge
  34. Singing a different song: Incipient speciation in the Small Tree Finch
  35. Splitting the Black-throated Trogon into five species
  36. The extinct cave-rails were not rails
  37. The evolution of mechanical sounds in Doraditos
  38. What is the difference between hard and soft selection?
  39. Do gut microbiota contribute to reproductive isolation between Nightingale species?
  40. A supergene determines morphological variation in redpolls
  41. Why do some female hummingbirds look like males?
  42. How low can you go? Exploring sex-linked genetic diversity in Barn Swallows
  43. How the Fasciated Antshrike met the Bamboo Antshrike
  44. The genetic basis of long-distance migration in Peregrine Falcons
  45. Whistlers highlight the unreliability of DNA barcodes
  46. Incomplete lineage sorting impacted the evolution of marsupials
  47. Divergence in a crowded space: How sympatry influences the evolution of wood-warblers
  48. A transposable element associated with migratory behavior of Willow Warblers
  49. Genomic evidence for sexual traits as honest indicators of immune function in birds?
  50. Rapid speciation through reshuffling of existing genetic variation
  51. The role of positive selection during the genomic evolution of Flycatchers
  52. The evolution of bird song: gradual or punctuated?
  53. How was the genome of non-avian dinosaurs arranged?
  54. A mitochondrial mystery involving two Monarch Flycatchers
  55. How did rails spread across the globe?
  56. Are Quail hybrids more susceptible to avian malaria?
  57. Stopping the decline of the Bearded Vulture
  58. First-generation hybrids between two highly divergent Wren species
  59. Delineating conservation units in the Pink Cockatoo
  60. Morphological and genetic evidence for hybrids between Magnolia Warbler and American Redstart
  61. Social bonds and migratory behavior determine the likelihood of hybridization in birds
  62. Mismatches between mtDNA, nuclear markers and morphology in the Canada Jay
  63. Chromosomal evolution in sandpipers
  64. The benefits and drawbacks of living on an island
  65. Isolated in Iberia: Unraveling the origin of an Iberian Rook population
  66. Recent and ancient hybridization among sea duck species, including a potential hybrid species
  67. Quantitative genetic analyses of Song Sparrows reveal the dark side of gene flow
  68. Using evolution in conservation: Genomic vulnerability of the Little Greenbul
  69. Resolving the White-eye phylogeny
  70. Do Chestnut-colored Woodpecker and Golden-olive Woodpecker hybridize?
  71. Using genetic data to protect the Atlantic and Indian Yellow-nosed Albatross
  72. Genetic evidence for hybrids between Copper Seedeater and Pearly-bellied Seedeater
  73. Similar migration strategies explain the evolution of flight calls in wood warblers
  74. What shaped the evolution of the Azure-crowned Hummingbird: geographic barriers or climate?
  75. Studying Willow and Alder Flycatcher at different stages in the speciation process
  76. A chicken and egg situation: did the Red or the Green Junglefowl evolve first?
  77. Demography or selection: What determines the hybridization dynamics between Saltmarsh Sparrow and Nelson’s Sparrow?
  78. Body size and phylogenetic history constrain the evolution of bird song
  79. Rampant introgression across the evolutionary tree of suboscine birds
  80. How did the population of Sussex Peregrine Falcons recover?
  81. The Warbling Vireo comprises of two cryptic species
  82. Hybridization helps to determine the genetic basis of head patterns in the White Wagtail
  83. How can Snowfinches and Tree Sparrows survive at high altitudes?
  84. Does sexual selection promote speciation?
  85. Hybridization of the habitat: More admixed chickadees in urban areas
  86. From the Amazon to the Atlantic Forest: the evolutionary story of the Blue-backed Manakin
  87. Simultaneous wing molt as a pre-adaptation for loss of flight
  88. Pinpointing “plumage genes” with hybrids between the Yellow-shafted and Red-shafted Flicker
  89. Ecology matters: Diet predicts genetic divergence in Neotropical birds
  90. The genetic basis of tool use in New Caledonian and Hawaiian Crows
  91. East or West Africa: Where was the Helmeted Guineafowl domesticated?
  92. Is the Polynesian Wattled Honeyeater a “supertramp” species?
  93. Some peculiar duck hybrids provide insights into the evolution of sexual dichromatism
  94. Why is sympatric speciation rare in birds?
  95. From Sweden to Japan: A genetic look at the White-backed Woodpecker
  96. The constrained evolution of a hybrid species, the Italian Sparrow
  97. Unraveling the evolutionary history of the Manakins
  98. Swapping pigmentation genes across the Parulidae phylogeny
  99. How the Pleistocene glacial cycles drove the evolution of Arctic shorebirds
  100. Are the Blue-faced and the Papuan Parrotfinch different species or not?
  101. Are Black Kite hybrids moving into Europe?
  102. Divergent sperm morphology as a reproductive barrier between Saltmarsh and Nelson’s Sparrow
  103. Unraveling the evolutionary history of the Galapagos Rail
  104. Similar plumage, but different songs: How many subspecies of Willow Flycatcher are there?
  105. Are there still ‘pure’ Javan Pied Starlings?
  106. Genomic islands of differentiation in seedeaters are mainly the outcome of selective sweeps
  107. What is so special about Darwin’s Finches?
  108. Searching for a hybrid zone between two Andean warblers
  109. Bioacoustics support the decision to split the Elegant Pitta into three species
  110. Before the invasion: Quantifying the level of pre-introduction selection on two Weaver species
  111. How convincing is the evidence to split the Gentoo Penguin into four species?
  112. Hybrids between Zebra Finch subspecies provide evidence for a weak meiotic driver
  113. Ancient DNA reveals low levels of past genetic diversity in the Andean Condor
  114. The mystery of the white-faced Limestone Wren-babbler: a leucistic morph or a separate (sub)species?
  115. Does disrupted gene expression cause hybrid sterility in Flycatchers?
  116. Integrative taxonomy of the Lesser Short-toed Lark and Sand Lark species complex
  117. More markers, more power? Genomic analyses uncover fine-scale population structure in Philippine Broadbills
  118. Not dead yet: The decaying W-chromosome of songbirds can still acquire new genes
  119. A small genomic region explains the plumage differences between Townsend’s and Hermit Warbler
  120. Rapid evolution of sexual dimorphism in island populations of the Sulawesi Babbler
  121. The genomics of being an owl
  122. Protecting the White-tailed Tropicbird
  123. Female preference for red plumage drives hybridization in tinkerbirds
  124. Hybrid pairing between a Cerulean Warbler and a Black-throated Blue Warbler
  125. Ghost populations explain how the Red-billed Chough reached the Canary Islands
  126. Postzygotic isolation drives speciation in Warbling-antbirds
  127. How often do Barrow’s Goldeneye and Common Goldeneye hybridize?
  128. Why do male and female birds look different? A role for alternative splicing
  129. Adaptive potential of the endangered Antioquia wren
  130. How strong is reproductive isolation between Golden-winged and Blue-winged warbler?
  131. Across Asia and beyond: The evolutionary story of the Common Pheasant
  132. Genetic evidence for hybridization between Magellanic and Humboldt penguins
  133. The Pleistocene Arc Hypothesis explains the evolution of the Rufous-fronted Thornbird
  134. The Herring Gull complex is not a ring species
  135. Studying the global conquest of the Common Starling with haplotype networks
  136. A mallard mystery: Unraveling the genetic basis of green egg color
  137. The importance of taxonomy in saving the critically endangered Black-winged Myna
  138. The taxonomic story of the Stipplethroats
  139. A genetic test of the theory of island biogeography using the Fiji bush-warbler
  140. Exploring the speciation continuum of hummingbirds
  141. You only need one genome to unravel the demographic history of the Chinese Grouse
  142. How many rosy-finch species are there in North America?
  143. A new subspecies of Manx Shearwater from the Canary Islands
  144. Testing the gradient speciation hypothesis in New Guinea Kingfishers
  145. Rapid morphological evolution in the Silvereye: random processes or selection?
  146. Unraveling the genetic basis of adaptive traits in the endangered Hihi
  147. Bad news for the Brown Eared Pheasant?
  148. Human activities facilitate hybridization in Allen’s Hummingbird
  149. A scoring scheme to assess the reliability of bird hybrids
  150. A gene within a supergene: An estrogen receptor shapes the behavior of White-throated Sparrow morphs
  151. The phylogeographic story of a Manakin and a Bamboo Tyrant
  152. How the Common Starling conquered Australia
  153. The social network of hybrid quails
  154. Why are some parrots more colorful than others?
  155. Gene flow is an integral part of speciation in Beringian birds
  156. Genetic patterns along the South American dry diagonal: The case of the Narrow-billed Woodcreeper
  157. Where did all these penguins come from?
  158. The role of neutral mutations in adaptive evolution
  159. Did sexual selection drive the evolution of Gallopheasants?
  160. With or without gene flow? Studying speciation in the Grey-headed Bullfinch species complex
  161. More than meets the eye: How many species does the bird genus Dendrocolaptes contain?
  162. The evolution of the genomic landscape in Silvereyes does not follow theoretical predictions
  163. Black-and-white birds: The influence of climatic conditions on gull plumage
  164. A genomic perspective on the classic hybrid zone between Baltimore and Bullock’s Oriole
  165. Why do Robust Woodpecker, Lineated Woodpecker and Helmeted Woodpecker look alike?
  166. Admixture in Amazonia: Reconstructing the evolutionary history of the Pectoral Sparrow
  167. The role of hybridization in the domestication of geese
  168. Convergent evolution of immune proteins in tits, chickadees, and titmice
  169. The constrained evolutionary trajectories of White-eyes on the African mainland and its islands
  170. Why the “Red-breasted Meidum Goose” is probably not an extinct species
  171. Splitting the Long-tailed Rosefinch into a Chinese and a Siberian species
  172. How did the Ice Ages affect three Scrubwrens in the highlands of Papua New Guinea?
  173. Genomic study unveils the true identity of Brewster’s and Lawrence’s Warbler
  174. Isolated Icterids: Unraveling the evolutionary history of the Altamira Oriole
  175. The complex interplay between tRNA genes and transposable elements in bird genomes
  176. Unusually low genetic diversity in the Red-billed Tropicbird
  177. The magic of Fairywren hybrids
  178. How the Hooded Crow got its hood: A tale of two crows and a transposable element
  179. A genomic continuum from feral to wild Red Junglefowl in Singapore
  180. How did the Ground Tit get its long beak?
  181. Solving the genetic mystery of the mosaic canary
  182. Should I stay or should I go? Patterns of gene flow across land bridges in Southeast Asia
  183. Do male Hoopoes judge female quality by inspecting the color of her eggs?
  184. Solving the paradox of the great speciator on the Solomon Islands
  185. Intermediate color morphs of the Common Buzzard are most successful
  186. Misconceptions and regressions: The evolution of bird brains
  187. From the sky to the island: Flightless rail species converge on the same body plan
  188. Three bird species show how to travel between the Andes and the Atlantic Forest
  189. Mixing Motmots: A hybrid between Rufous and Amazonian Motmot in Brazil
  190. The genomics of local adaptation in Blue Tits
  191. Mitochondrial capture in the Chestnut Quail-thrush: Neutral or adaptive introgression?
  192. How many ancestral species gave rise to the domestic chicken breeds?
  193. The Great Speciator strikes again: Discovery of a Mangrove White-eye in Saudi Arabia
  194. Building bowers and phylogenies: Genomic study reconstructs the complex evolution of bowerbirds
  195. Following the Forests: How the Variable Antshrike spread around the Amazon
  196. Is prezygotic isolation more important than postzygotic isolation at the onset of speciation?
  197. A common species with a complex history: The evolutionary story of the Great Tit
  198. How and when did Frogmouths cross Wallace’s Line?
  199. Inferring introgression: Genomic study on hybridizing Darwin’s Finches highlights the importance of field observations
  200. Uncovering cryptic diversity in the lesser short-toed lark species complex
  201. Non-coding DNA drives the evolution of avian beak morphology
  202. Figuring out the origin of two Fire-eye Antbird species in the Atlantic Forest
  203. The speciation cycle of Taiga and Tundra Bean Goose
  204. Are we missing something? Exploring the diversity of white-eye species on the African mainland
  205. Blackcaps help to unravel the genetic basis of bird migration
  206. How many members of the Lesser Whitethroat complex breed in Iran?
  207. What drives avian speciation in the Amazonian floodplains?
  208. Selection on metabolism and memory in a moving Chickadee hybrid zone
  209. Surprisingly high genetic diversity in an island species: What happened to the Raso Lark?
  210. Genetic bridges: Medium ground finch functions as a conduit for gene flow between two other Darwin’s Finches
  211. The curious case of the Vaurie’s nightjar
  212. Colorful females, dull males and everything in between: the complex evolution of plumage patterns in the Pacific Robin
  213. Complicated Cotingas: Can we resolve any phylogeny by just adding more data?
  214. Loss of migration leads to speciation in the Fork-Tailed Flycatcher
  215. Do plumage patterns support the eleven subspecies of the Velazquez’s Woodpecker?
  216. Ready, set, speciate: The role of sex chromosomes in the divergence of Reunion grey white-eye morphs
  217. Crossbills show there is more to evolution than natural selection
  218. Solving the seabird paradox: How does genetic differentiation arise in highly mobile species?
  219. Splitting scimitar babblers: Genetics and morphology point to two distinct species
  220. Do rivers promote avian speciation in the subtropics?
  221. Captive-bred ducks are genetically swamping wild Mallard populations in eastern North America
  222. A suite of subfamilies: How to classify the estrildid finches?
  223. Do crows engage in extra-pair copulations to avoid hybridization?
  224. Taxonomy in flux: The story of three flatbills and a flammulated flycatcher
  225. Saving the Snowy Plover: How many conservation units should we protect?
  226. Can you deduce the activity patterns of owl species from their eye color?
  227. Black hoods or bright eyes: The evolution of plumage patterns in gulls
  228. A Caribbean connection: How thrushes conquered the world
  229. African adventures: Human-mediated hybridization between Common and Black-faced Impala
  230. Ancient DNA helps to place two extinct duck species on the Tree of Life
  231. Cryptic Crows: Genetic study uncovers a wide hybrid zone between American and Northwestern Crow
  232. Does migratory behavior affect genetic diversity in the Golden-crowned Kinglet?
  233. Phylogenetics in the genomic era: Reconstructing the evolutionary tree of rails (family Rallidae)
  234. Hybridizing hyenas and how to find them
  235. Conservation genetic in China: Comparing genetic diversity of Siberian and Sichuan Jays
  236. Figuring out the evolution of forked tails in Swallows and Swifts
  237. Choosy Snowcocks: How habitat preference can affect genetic population structure
  238. Woodcreeper species continue to exchange DNA until 2.5 million years after divergence
  239. Drum roll, please! The evolution of rhythm in Woodpeckers
  240. Did the New Zealand Rockwren ever occur on North Island?
  241. Let’s not hop to conclusions: Delineating species in the Rockhopper Penguin complex
  242. The peculiar genomes of Falcons
  243. Population Genomics of Mangrove Warblers: Looking for candidate genes in Costa Rica
  244. How mountains, rivers and hybridization drove the evolution of the Blue-crowned Manakin
  245. Shake your tail feather! Courtship displays and genetic analyses uncover extensive hybridization between Allen’s and Rufous Hummingbird
  246. Are there still “pure” Hawaiian Ducks?
  247. Beyond genetics: How different are Kentish and White-faced Plover?
  248. Different migration strategies contribute to reproductive isolation between Barn Swallow subspecies
  249. Babblers provide evidence for “speciation cycles” in the Himalayan-Hengduan Mountains
  250. Are there really two species of red panda?
  251. Ecological speciation in the saltmarshes
  252. Observations confirm intergeneric hybridization between Common Black Hawk and Red-Shouldered Hawk
  253. Choosing between Cerrado and Chaco: Which corridor connected the Andean and Atlantic forest populations of the Buff-browed Foliage Gleaner?
  254. The variable beak of the finch: How hybridization increases variation in beak morphology
  255. Contemplating Kingfishers in Indonesia: The story of a “Great Speciator”
  256. Isolation by distance, adaptation or environment: What explains genetic patterns in the Red-crowned Ant-tanager?
  257. Genetic study uncovers viability selection in the Imperial Eagle
  258. Reader’s Hybrids: Ducks and Geese
  259. Genomics on the Galapagos: Exploring the genetic diversity of Darwin’s Finches and their relatives
  260. A genetic model for puntuated equilibria
  261. Drawing lines between larks: How many species of Horned Lark are there?
  262. Genomic data uncover subtle population structure in the White-chinned Petrel
  263. Where did the Ecuadorian Creole Chicken come from?
  264. A mosaic hybrid zone between Scissor-tailed Flycatcher and Western Kingbird
  265. Explaining the pantropical distribution of kingfishers, bee-eaters, rollers, motmots, and todies
  266. The genomics of being a raptor
  267. A taxonomic riddle: Where does the extinct Canary Islands Oystercatcher fit in?
  268. A lesson in cladistics with the Plain-brown Woodcreeper
  269. Unraveling the origin of the Visorbearers
  270. White-throated Sparrows influence gene expression in their offspring
  271. Taking advantage of hybridization to find a migration gene in warblers
  272. Songbirds have an extra chromosome in their germline
  273. The crazy sex-chromosomes of the Larks
  274. Islands in the Andes: Are populations of the Plumbeous Sierra-finch in Ecuador genetically distinct?
  275. Multispecies hybridization among Thrushes (genus Catharus)
  276. Cultural evolution contributes to speciation in Crossbills
  277. Are crows on islands experiencing a mutational meltdown?
  278. Hybrid Honeyeaters in eastern and western Australia
  279. Sparrows illustrate the possible outcomes of hybridization: from a hybrid species to a mosaic hybrid zone
  280. D-statistics for Dummies: A simple test for introgression
  281. The evolution of feathers: How sexual selection set the stage for natural selection
  282. Promiscuous Pitohuis: Exchange of “toxicity genes” between poisonous birds?
  283. A hybrid in the making? Attempted mating between Sanderling and Broad-billed Sandpiper
  284. Pinning down the Shrike phylogeny
  285. Testing for gene flow between Torrent Ducks in Peru and Argentina
  286. Separating Sparrows: Species limits in the striped-sparrows (genus Rhynchospiza)
  287. Ecological speciation in the White-tipped Plantcutter
  288. How far did the hybrid zone between Hermit Warbler and Townsend’s Warbler move?
  289. The Caracara Conundrum: Where does the extinct Creighton’s Caracara fit in?
  290. North-south divergence within Godlewski’s Bunting coincides with the uplift of the Tibetan Plateau
  291. Analyses of museum specimens uncover hybrid jays in Brazil
  292. Asian Leaf Warbler might carry mitochondrial DNA of an extinct species
  293. The Smell of Speciation: Chickadees prefer the scent of their own species
  294. Is there a hybrid zone between subspecies of the Scarlet Macaw?
  295. Classifying Corvids: Peculiar phylogeographic patterns in the crow family
  296. More than meets the eye: Scientists discover several cryptic storm-petrel species
  297. How many times did Steamer Ducks lose the ability to fly?
  298. Genetic study reveals how four different sparrow species adapted to life in the salt marshes
  299. Adventures in the Andes: The Tantalizing Tale of the Torrent Duck
  300. These two White-eye species should be hybridizing, but they don’t…
  301. Genetic study uncovers a deep split within the Hooded Pitta species complex
  302. High levels of gene flow between different populations of North American Scoters
  303. Central-American Wood-partridges are older than expected
  304. Off-color Orioles: Hybrids or abnormal plumage patterns?
  305. Pecking in the Pyrenees: No gene flow across a hybrid zone between Eurasian and Iberian Green Woodpecker
  306. Back from the brink of extinction: The remarkable recovery of the Crested Ibis
  307. How many species of Red-shouldered Hawk are there?
  308. It takes two: The evolution of duets in New World warblers
  309. A philosopher claims species do not exist. He is wrong.
  310. Can Mandarin Ducks hybridize with other duck species?
  311. The social lives of quails: Why do California and Gambel’s quail hybridize?
  312. What’s for dinner? Rapid evolution of non-native frugivores on O’ahu
  313. Genetic study of the Mallard complex reveals extensive hybridization with little recent gene flow
  314. A Brazilian Brain-teaser: How did the hybrid zone between Rufous-capped and Bahia Spinetail form?
  315. Introducing another hybrid bird species: the Salvin’s Prion
  316. Spooky introgression in the African jungle: Bonobos hybridized with a “ghost” ape
  317. The more the merrier? My review on multispecies hybridization in birds
  318. Do grazing waterbirds surf the green wave?
  319. Hybridization with escaped falconry birds and nest poaching threaten Barbary Falcons on the Canary Islands
  320. The genetic legacy of population decline and recovery in the Red-cockaded Woodpecker
  321. Honey, I resolved the Meliphaga phylogeny!
  322. How do hybrid Tree Finches cope with parasites?
  323. Does hybridization between Nuttall’s and Ladder-backed Woodpecker result in gene flow?
  324. Genomic analyses point to speciation with gene flow in the Northern Saw-whet Owl
  325. What drives plumage evolution in woodpeckers?
  326. Hybridization and Tinkering: High levels of gene flow between Yellow-fronted and Red-fronted Tinkerbird
  327. East or West? Different populations of Red-necked Phalaropes use distinct migration routes
  328. Island formation drove penguin evolution
  329. Oh My Gosh! The complicated taxonomy of the Northern Goshawk superspecies
  330. The head of the finch: A small genetic region controls colour morphs in the Gouldian Finch
  331. Cartilaginous crosses: A short overview of hybridization in sharks and rays
  332. The evolution of bird coloration: Exploring the complex interplay between natural and sexual selection
  333. How to turn a Carrion Crow into a Hooded Crow (and vice versa)?
  334. Breaking Barriers: Low levels of gene flow among subspecies of the Grey Shrike-thrush
  335. Is the Great White Heron a distinct species?
  336. Species in the making: Genomic analyses reveal incipient speciation in the Ground Tit
  337. Museum specimens reveal phenotypic introgression in a Scrub-Jay contact zone [Guest Post by Devon DeRaad]
  338. The Niches of the Nuthatch: How local adaptation and competition have shaped the present-day distribution of the Eurasian Nuthatch
  339. An Egyptian Goose is not a goose
  340. Combinatorial Speciation: Reassembling of old genetic variation facilitates rapid speciation and adaptive radiation
  341. Mastering Malaria: The Hawaiian ‘Amakihi uses a variety of genes to combat avian malaria
  342. A Mitochondrial Mystery: Why are there two deeply divergent lineages in the Savannah Sparrow?
  343. Are Chinese indigenous chicken breeds genetically “polluted” by commercial broilers?
  344. Barking up the wrong species tree: How gene flow shaped canine evolution
  345. Tracing the origins of the giant raptors on New Zealand
  346. Chaffinches on the Canary Islands: A new subspecies on Gran Canaria
  347. More than one way: How the open vegetation corridor influences the evolution of South American birds
  348. Scrutinizing a Superspecies: Patterns of Gene Flow among Common, Long-legged and Upland Buzzard
  349. The genetic recipe for a bird-of-paradise radiation
  350. A Puzzle of Primates: Disentangling the complex evolutionary history of Baboons
  351. Hybrids all the way down: Interbreeding musk turtles in Alabama
  352. Are Mallards driving Black Ducks to genetic extinction?
  353. Which genes contribute to speciation and adaptation in grouse?
  354. Hybrid speciation in yeast: How one hybrid species gave rise to another one
  355. Has climate change moved the hybrid zone between Red-naped and Red-Breasted Sapsucker?
  356. Adaptation in Parrotbills fueled by standing genetic variation
  357. First report of hybridization in millipedes
  358. Can divergence in sperm morphology reduce hybridization in nightingales?
  359. Protecting Penguins: Exploring population dynamics in several penguin species
  360. Monophyletic Manakins? Not according to mtDNA…
  361. Crossing the Atlantic: How the Glossy Ibis colonized North America and hybridized with the native White-faced Ibis
  362. Hybridization with Painted Stork threatens the already endangered Milky Stork
  363. Doing it in the Dark: Hybridization in Bats
  364. A Little Brown Job: Unraveling the Chiffchaff complex
  365. Scientific Sherlocks: The Case of the Imperial Pheasant
  366. Why are more sex-linked genes flowing from Thrush into Common Nightingale? Exploring the faster Z-effect in birds
  367. Who runs the world? Hybrid zone dynamics in a bird species where females compete for males
  368. Hybridization contributes to rapid and repeated evolution of cave fish
  369. Are Snow Bunting and McKay’s Bunting different species?
  370. How healthy are juvenile eagle hybrids?
  371. Why do different populations of the Greenish Warbler sing other songs?
  372. Unraveling the history (or histories?) of the Red-bellied Woodpecker
  373. Flipping DNA: The role of inversions in avian evolution
  374. φοβερο! Hybrid dolphins in the Greek Seas
  375. Genetic population structure of the Black-billed Gull, with a hint of Red-billed Gull
  376. A hybrid between Black-browed Tit and Sooty Tit
  377. Looks can be deceiving: Parallel evolution of plumage coloration in wheatears
  378. Hybridization leads to emergence of a new sex chromosome
  379. A hybrid zone between subspecies of the Common Ringer Plover?
  380. How many hybrid bird species are there?
  381. Going with the flow: Gene flow from Chinese Spot-billed Ducks into Mallards
  382. Studying sperm success: A possible reproductive barrier between subspecies of the Long-tailed Finch
  383. Exploring the genomic landscape of wood-warblers
  384. Newly discovered hybrid zone between Colima and Virginia’s Warbler in Texas
  385. What selection pressure is acting on hybrids between Audubon’s and Myrtle Warbler?
  386. Crisscrossing Europe: The genetics of crossbills in the western Palearctic
  387. Are yellow-rumped warbler hybrids more susceptible to parasite infections?
  388. Mixing in the Marshes: King rail and clapper rail hybridize in Virginia
  389. Looking for genetic differences between Araripe and helmeted manakins in Brazil
  390. Salty Genes: Hybridization between saltmarsh and Nelson’s sparrow results in exchange of adaptive genes
  391. Where did all these fish come from?! A genomic perspective on the explosive diversification of cichlids
  392. The eagle has landed: Tracking the migration of hybrids between lesser and greater spotted eagles
  393. Wall lizards form hybrid swarms in German cities
  394. Pinpointing the position of a parrot hybrid zone in eastern Australia
  395. Ancient DNA study sheds light on domestication history of geese in Russia
  396. Got your mtDNA! Mitochondrial capture in Amazonian Jacamars
  397. Fascinating Finches: Patterns of Gene Flow in South American Siskins
  398. On the Origin of Pigeon Plumage Patterns: A Role for Hybridization
  399. Something smells fishy: Exchange of olfactory genes between cichlids
  400. High altitude hybrids: the story of Ruddy Ducks in Colombia
  401. Promiscuous pathogens: What if disease-causing fungi hybridize?
  402. It’s complicated: Hybrid hummingbirds in Mexico
  403. Knock, Knock! Who is there? Woodpeckers, but how many species?
  404. Glacial cycles culminate in hybridization events between North American Stoat populations
  405. Why are seabird hybrids so rare?
  406. Probing the Puzzling Plumage Patterns of White Wagtails
  407. Glorious Bustards: How many species of great bustard are there?
  408. Mind the gaps: The incompleteness of complete avian genome assemblies
  409. The Flight of the Condor: How the Andes shapes patterns of gene flow
  410. Readers’ Hybrids: A lot of hybrid parrots!
  411. Let me take a selfie: Scientists discover hybridization in a selfing fish
  412. Several hybridization events shaped the evolution of Neotropical flycatchers (genus Elaenia)
  413. Coal tits exchange genes in central Europe
  414. On avian hybrids in the low countries
  415. Holy Cow! Hybridization Facilitated Domestication and Adaptation of Cows
  416. Exploring gene tree discordance with lizards
  417. Are hybrids between capuchino seedeaters fertile?
  418. Hybridizing hares: How the snowshoe hare got its brown coat
  419. How trees can drive fish speciation in the Amazon
  420. Genetic Analyses confirm Hybridization in a Threatened Tern Species
  421. Do land bridges facilitate gene flow between island populations?
  422. Coloring outside species boundaries: A ‘super’-cool example of adaptive introgression in butterflies
  423. Why Nightingales Don’t Mix: Interspecific Competition and Sterile Females
  424. What keeps bird species distinct in Amazonian hybrid zones?
  425. A Dutch mystery: Can you guess which duck species have hybridized?
  426. What Happens When Two Badger Species Meet in Russia?
  427. Dumb, dumber, hybrids? Chickadee hybrids show lower intelligence
  428. The hybrid genome of the Italian Sparrow: endless genetic variation?
  429. Reader’s Hybrids: A Canada Goose x Greylag Goose in the UK
  430. Don’t forget the hybrids! Antbird study shows that not taking into account hybridization leads to the wrong species tree
  431. Are Wagtail subspecies supported by genetic data?
  432. Sorry I’m late. Less hybrid Flycatchers due to climate-driven changes in timing of breeding?
  433. It’s not a tree, but a network! New insights into the evolution of baleen whales
  434. Two new hybrids for the checklist: an Australian Ibis and a South-American Brush Finch
  435. The subspecies of the White-collared Seedeater complex are not even closely related
  436. There used to be two Black Swan species on New-Zealand
  437. Hybridizing Flame-rumped Tanagers clearly show that mixing red with yellow gives you orange
  438. Mixing mammoths and blending bears: DNA from fossils reveals ancient hybridization
  439. Bergmann’s Rule in the Andes: The Case of the Line-cheeked Spinetail
  440. Wandering Wekas: The Genetic Structure of a Flightless New Zealand Bird
  441. Hybrid zones help to unravel the genetics of bird coloration
  442. Disentangling the Evolutionary History of Towhees in Mexico
  443. OMG (Owls, Migration and Genetics)! A Heteropatric Speciation Model for Northern Saw-whet Owls
  444. From the Rainforest to the Savannah: Ecological Speciation in the Little Greenbul?
  445. Hybridization as the Engine of Adaptive Radiation
  446. Hybrid Bird Species: A Big Bird on the Galapagos Islands and a Small Manakin in the Amazon Basin
  447. Trouble with the Tinkerbirds: Different subspecies sing the same song
  448. A Reunion of Three Color Morphs on Reunion
  449. Cheating in the Czech Republic: Ducks Putting Their Eggs in the Wrong Basket
  450. A Lesson in Cline Theory with Some Hybridizing Barn Swallows
  451. Different, but the same: How Amazonian rivers and African deserts drive bird speciation
  452. Avian hybridization in Asia: Venturing into the (relatively) unknown
  453. You Go, Girl! Females determine direction of gene flow in Tree Finches
  454. Hybridization in Birds: The Trilogy
  455. Watch Your Head: Why White Wagtails Won’t Mix
  456. Looking for Migration Genes in the Willow Warbler Genome
  457. Promiscuous Petrels: Genetic Study Reveals Gene Flow on a Global Scale
  458. Throwback Thursday: Six Years with a Brewster’s Warbler
  459. Becoming Black: The Origins of Melanic Monarcha Flycatchers
  460. Che Figata! New studies on the ecology and evolution of a hybrid species, the Italian Sparrow
  461. Splitting Buntings in the Sahara
  462. More Species Than Meets the Eye: A Genetic Look at the Red-eyed Vireo Complex
  463. Mottled Mallards on the Western Gulf Coast
  464. Hybridization in Primates (and yes, that includes you!)
  465. Arctic Sharks: A Story of Ice-olation and Hybridization
  466. Hybrid Owls: Californian Contacts and Mediterranean Migrants
  467. The Beak of the Bullfinch: Remains of an Extinct Bird Species Found on the Azores
  468. Two Crow Hybrid Zones for the Price of One!
  469. A Northern and a Southern Perspective on Hybrids between Golden-winged and Blue-winged Warbler
  470. The Ecological Succession Story of Hybridizing Bluebirds
  471. Hybrid Geese: A Trilogy of Papers
  472. Throwback Thursday: Observations of Red-shafted and Yellow-shafted Flickers in a 1893 letter to Science
  473. Throwback Thursday: Strange Swallows from 1902
  474. Some Hybrid Woodpeckers from North and South America
  475. Throwback Thursday: A Hybrid Quail That Tried to Phone Home
  476. The Superb Bird-of-Paradise and the ‘Dancing Species Concept’
  477. The Songs of Tree Finches (and their hybrids)
  478. Hybrid Geese in Finnish Hunting Bags
  479. Hybridizing Buntings in Iran
  480. Rawnsley’s Bowerdbird: Another species that turns out to be a hybrid
  481. Separating the wheat from the (chiff)chaff
  482. Interspecific Spooning
  483. It’s not a new species, it’s a hybrid!
  484. Conservation of the Mottled Duck: Multiple Populations and a Feral Threat
  485. A New Year and some new papers
  486. Spring Updates, including artistic Pheasants and Promiscuous Petrels
  487. An Early Christmas Present: Pictures and Papers
  488. Amazonian Hybrids
  489. Recent Updates: Flycatchers, Birds-of-Paradise, Eagles and Malagasy Passerines
  490. Morphology Insufficient to Detect Hybrid Sparrows
  491. Giant Petrel Hybrids are Fertile
  492. Thrush Migration and Speciation