Article
The Wilson Journal of Ornithology  (2018)

Report on beak abnormalities of some birds of Patagonia

Valdebenito, José Osvaldo; Grandon-Ojeda, Alexandra; Pantoja-Maggi, Vicente; Novoa, Fernando; Gonzalez-Acuna, Daniel.

Keywords: ill, collisions, crossed-beak, deformity,South America