AVIS-IBIS

Birds of Indian Subcontinent

Juvenile Gray Jay Preys upon Magnolia Warbler (Juvenil de Perisoreus Canadensis Depreda un Dendroica Magnolia)

Publication Type:Journal Article
Year of Publication:1996
Authors:Barnard, WH
Journal:Journal of Field Ornithology
Volume:67
Issue:2
Date Published:1996
ISBN Number:02738570
Keywords:Corvidae, Dendroica, Dendroica magnolia, Garrulus, Garrulus glandarius, Parulidae, Perisoreus, Perisoreus canadensis, Setophaga, Setophaga magnolia
Abstract:A juvenile Gray Jay (Perisoreus canadensis) was observed to capture, kill, and eat a healthy juvenile Magnolia Warbler (Dendroica magnolia), demonstrating that Gray Jays depredate free-flying birds in addition to nestlings and dead adults. Predation of birds, which was manifested in a recently independent bird, may be a regular feature of Gray Jay biology. /// Se observó a un juvenil de Perisoreus canadensis capturar, matar y alimentarse de un juvenil saludable de Dendroica magnolia, demonstrando que los individuos de Perisoreus canadensis depredan aves que vuelan libremente además de pichones y adultos muertos. La depredación de aves, manifestada independientemente en otra ave recientemente, parece entonces ser una característica consistente de la biología de Perisoreus canadensis.
URL:http://www.jstor.org/stable/4514105
Short Title:Journal of Field Ornithology
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