1. The occurrence of seabirds in the coastal region of California.;Ainley;Western Birds,1976
2. The Black-vented Shearwater (Puffinus opisthomelas).;Anthony;Auk,1896
3. The Manx Shearwater.;Brooke,1990
4. Maximum diving depths and underwater foraging in alcids and penguins.;Burger;Canadian Wildlife Service Occasional Paper,1991
5. Capillary-tube depth gauges for diving animals: An assessment of their accuracy and applicability.;Burger;Journal of Field Ornithology,1988