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pro vyhledávání: '"Gabriela Giselle Mangini"'
Publikováno v:
Ibis. 165:629-646
According to both the predation avoidance and foraging efficiency hypotheses, birds within mixed flocks increase their foraging efficiency and/or can spend more time feeding and less time looking out for predators. These hypotheses predict that birds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71c8dce9b566731b4621601dda78d542
Autor:
Daniela Gomez, Emilio A. Jordan, Fabricio C. Gorleri, Emiliano A. Depino, Facundo Ariel Gandoy, Gabriela Giselle Mangini, Juan Ignacio Areta
Publikováno v:
The Wilson Journal of Ornithology. 128:830
The Alder (Empidonax alnorum) and Willow (E. trailli) flycatchers are cryptic species, and their distribution outside the breeding season is poorly known, owing mostly to identification difficulties. Our new records suggest that large numbers of Alde