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Article
Ana S. Barreira, Auteur ; Muir D. Eaton, Auteur ; Elisabet Vilacoba, Auteur ; Pablo L. Tubaro, Auteur ; Cecilia Kopuchian, AuteurOvenbirds represent a clade of exclusively Neotropical birds that are exceptionally diverse, despite their rather dull, melanin-based plumage. In general, sexes are considered monomorphic in size and colour, but several authors have reported fem[...]
Article
Martjan Lammertink, Auteur ; Cecilia Kopuchian, Auteur ; Hanja B. Brandl, Auteur ; Pablo L. Tubaro, Auteur ; Hans Winkler, AuteurThe Helmeted Woodpecker Dryocopus galeatus is a threatened species of the Atlantic Forest in southeastern South America. It has traditionally been placed in the genus Dryocopus, but it shows similarities in plumage and structure with woodpeckers[...]
Article
Natalia C. García, Auteur ; Ramiro S. Arrieta, Auteur ; Cecilia Kopuchian, Auteur ; Pablo L. Tubaro, AuteurBehavioural characters that are learned can show temporal variation resulting from changes introduced in new generations during the learning process. The song of the Rufous-collared Sparrow (Zonotrichia capensis) shows significant geographical v[...]
Article
Belen Bukowski, Auteur ; Pablo D. Lavinia, Auteur ; Natalia Trujillo-Arias, Auteur ; Cecilia Kopuchian, Auteur ; Pablo L. Tubaro, Auteur ; Dario A. Lijtmaer, AuteurThe Andes constitute one of the main factors that have promoted diversification in the Neotropics. However, the role of other highland regions in the southern cone of South America has been barely studied. We analyzed the level of endemism in th[...]
Article
Mariana Bulgarella, Auteur ; Cecilia Kopuchian, Auteur ; Adrian S. Di Giacomo, Auteur ; RICARDO Matus, Auteur ; OLIVIA Blank, Auteur ; Robert E. Wilson, Auteur ; Kevin G. McCracken, AuteurSheldgeese of the genus Chloephaga are waterfowl (Anatidae) endemic to mainland South America and the Falkland Islands (Malvinas). Continental populations of three species C. picta, C. poliocephala, and C. rubidiceps breed in Patagonia and Tierr[...]
