Cannibalism in southern giant petrels (Macronectes giganteus) at Nelson Island, Maritime Antarctic Peninsula

被引：0
|
作者：
Júlia Victória Grohmann Finger
Denyelle Hennayra Corá
Maria Virginia Petry
Lucas Krüger
机构：
[1] Universidade do Vale do Rio dos Sinos,Laboratório de Ornitologia e Animais Marinhos
[2] Universidade Comunitária da Região de Chapecó,Curso de Ciências Biológicas
[3] Instituto Antártico Chileno,Departamento Científico
来源：
Polar Biology | 2021年 / 44卷
关键词：
Predation; Heterocannibalism; Feeding behavior; Seabirds; South Shetland Islands;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Southern giant petrels (Macronectes giganteus) are a scavenger and predatory species with highly opportunistic feeding habits. Although cannibalism is a likely behavior for a predatory and colonial species, there are no confirmed records of this behavior for giant petrels. In this study, we describe two cases of cannibalism in a population of southern giant petrels breeding at Harmony Point (62°18′S; 59°10′W), Nelson Island. In both cases, a male giant petrel preyed upon a nestling. Our records confirm that heterocannibalism is part of the behavior repertoire of male southern giant petrels.
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页码：1219 / 1222
页数：3
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