A large nearly complete specimen of a Crested Tinamou (Eudromia, Tinamidae, Aves) is described. It was collected at ‘Nicolás Vignogna III’ Quarry in Marcos Paz County (Buenos Aires Province, Argentina), coming from near ...

We studied a collection of lice from Argentina, Brazil, Paraguay and Chile containing all four known species and one new species (described herein) in the genus Tinamotaecola, parasites of birds of the families Cariamidae ...

All extant birds share the same sex-chromosome system: ZZ males and ZW females with striking differences in the stages of sex-chromosome differentiation between the primitive palaeognathus ratites and the large majority ...

El registro de aves recolectadas en yacimientos arqueológicos del Noroeste de Argentina ha sidoescasamente abordado en los análisis arqueofaunísticos. En el presente trabajo se analiza y describela avifauna colectada en ...

The Tinamidae comprise exclusively Neotropical palaegnathous birds, with homogeneous body morphology and no sexual dimorphism. The goal of this work was to explore the variation in skull morphology between taxa and its ...

The oldest known birds from the Cerro Azul Formation are described, including the oldest records for the genera Eudromia and Nothura (Tinamidae), Milvago (Falconidae), Pterocnemia (Rheidae) and an undetermined Tyrannidae. ...

El valor de las aves marinas como recurso en la zona costera patagónica se basa en su atractivo para la actividad turística y en menor medida en la producción de guano. Si bien numerosas especies de aves se reproducen en ...