1. Prey resources, competition, and geographic structure of kittiwake colonies in Prince William Sound, Alaska;Ainley;Ecology,2003
2. Geographic structure of Adélie penguin populations: overlap in colony-specific foraging areas;Ainley;Ecological Monographs,2004
3. Satellite radio-tracking of emperor penguins walking on sea-ice to refeed at sea;Ancel,1992
4. Seabird ecology and the marine environment;Ashmole;Avian Biology,1971
5. Foraging ecology of tropical seabirds;Ballance,1999