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- Title
CHANGES IN DIET OF CORY'S SHEARWATERS CALONECTRIS DIOMEDEA BREEDING IN THE AZORES.
- Authors
XAVIER, JOSÉ C.; MAGALHÃES, MARIA C.; MENDONÇA, ANA S.; ANTUNES, MARISA; CARVALHO, NATACHA; MACHETE, MIGUEL; SANTOS, RICARDO S.; PAIVA, VITOR; HAMER, KEITH C.
- Abstract
The article discusses a study of the diet of Cory's Shearwater Calonectris diomeda borealis in the Azores archipelago from 1994 to 2005. Fish has emerged as the main food source of Cory's Shearwater on Corvo, Santa Maria and Graciosa islands. Results show that Cory's Shearwaters are surface-feeders and they prefer blue jack mackerel. The connection between a change in the diet of seabirds and a change in prey abundance or access to prey is highlighted. The researchers emphasize the necessity for further investigation into the negative impact of tuna fisheries and fishing vessels on the population of Cory's Shearwater.
- Subjects
AZORES; SHEARWATERS; ANIMAL feeding behavior; FISHES; SEA birds; PREY availability; TUNA fisheries
- Publication
Marine Ornithology, 2011, Vol 39, Issue 1, p129
- ISSN
1018-3337
- Publication type
Article