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- Title
Who’s the boss? Giant petrel arrival times and interspecific interactions at a seal carcass at sub-Antarctic Marion Island.
- Authors
de Bruyn, P. J. N.; Cooper, J.
- Abstract
Most northern giant petrels Macronectes halli arrived before southern giant petrels Macronectes giganteus at a seal carcass at sub-Antarctic Marion Island and left earlier. In interspecific interactions, southern giant petrels initiated and dominated encounters. Level of aggression may be related to the degree of satiation. Dominance by southern giant petrels at seal carcasses may help explain why northern giant petrels commence breeding earlier than southern giant petrels in sympatric situations.
- Subjects
SOUTHERN giant petrel; MACRONECTES; SEA birds; ANIMAL carcasses; ANIMAL aggression; ANIMAL breeding; BIOLOGY
- Publication
Polar Biology, 2005, Vol 28, Issue 7, p571
- ISSN
0722-4060
- Publication type
Article
- DOI
10.1007/s00300-005-0724-7