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

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