The Ovenbirds are a large family of small suboscine passerine birds found in Mexico, Central and South America. Hybridization has been documented in several genera.

The Rufous-capped Spinetail (S. ruficapilla) and the Bahia Spinetail (S. cinerea) form a secondary contact zone in Brazil. Gene flow mainly occurs from the Bahia Spinetail into the Rufous-capped Spinetail (Batalha-Filho et al., 2019).

At Amazonian headwaters, hybrids between subspecies of the following species have been confirmed genetically (Weir et al., 2015): Plain-brown Woodcreeper (Dendrocincla fuliginosa), Elegant Woodcreeper (Xiphorhynchus elegans) and Wedgebill Woodcreeper (Glyphorhynchus spirurus). Reproductive isolation between Elegant Woodcreeper subspecies is mainly driven by postzygotic isolation (Pulido-Santacruz et al. 2018).

plain-brown woodcreeper

Plain-brown Woodcreeper (Dendrocincla fuliginosa)



Batalha-Filho, H., Maldonado-Coelho, M., & Miyaki, C.Y. (2019). Historical climate changes and hybridization shaped the evolution of Atlantic Forest spinetails (Aves: Furnariidae). Heredity, 1.

Pulido-Santacruz, P., Aleixo, A. & Weir, J.T. (2018) Morphologically cryptic Amazonian bird species pairs exhibit strong postzygotic reproductive isolation. Proceedings of the Royal Society B285:20172081.

Weir, J. T., Faccio, M. S., Pulido-Santacruz, P., Barrera-Guzman, A. O. & Aleixo, A. (2015). Hybridization in headwater regions, and the role of rivers as drivers of speciation in Amazonian birds. Evolution 69, 1823-1834.

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