Foraging behavior of Brazilian cormorant, Nannopterum brasilianus (Suliformes: Phalacrocoracidae)

• Published in: Zoologia (Curitiba, Brazil) Vol. 35; pp. 1 - 4
• Main Authors: Gheler-Costa, Carla, Comin, Fabio Henrique, Gilli, Letícia C., Verdade, Luciano M.
• Format: Journal Article
• Language: English
• Published: Curitiba Sociedade Brasileira de Zoologia 01.01.2018
• Subjects: Animal behavior; Artificial ponds; Birds; Brazil; Divers; Diving; Educational institutions; environment; Fish; Food; Food biology; food stealing; Foods; Foraging; Foraging behavior; foraging success; Optimal foraging; Phalacrocoracidae; Predation; Seabirds; social behavior; Vertebrates; wading birds; ZOOLOGY; Brazil; food stealing; wading birds; foraging success; social behavior; Food biology

Although the concept of optimal foraging has been extensively discussed, foraging efficiency is difficult to assess in vertebrates. In this study, we determined the foraging efficiency of the Brazilian cormorant, Nannopterumbrasilianus Gmelin, 1789, by the direct, ad libitum observation of a group o...