References

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Ashmole, N. P. 1971. Seabird ecology and the marine environment. Pages 223-286 in D. S. Farner and J. R. King, eds. Avian biology. Vol. I. Academic Press, New York.

Ashmole, N. P., and H. Tovar S. 1968. Prolonged parental care in royal terns and other birds. Auk 85:90-100.

Barash, D. P., P. Donovan, and R. Myrick. 1975. Clam dropping behavior of the glaucous-winged gull (Larus glaucescens). Wilson Bull. 87:60-64.

Bateson, P. P. G., and R. C. Plowright. 1959. The breeding biology of the ivory gull in Spitsbergen. Br. Birds 52:105-114.

Bédard, J. 1969a. Feeding of the least, crested and parakeet auklets around St. Lawrence Island, Alaska. Can. J. Zool. 47:1025-1050.

Bédard, J. 1969b. Adaptive radiation in alcidae. Ibis 111:189-198.

Belopol'skii, L. O. 1961. Ecology of sea colony birds of the Barents Sea. (Transl. from Russian.) Israel Program for Scientific Translations, Jerusalem. 346 pp.

Bengtson, S. 1968. Breeding behavior of the grey phalarope in west Spitzbergen. Var Fågelvärld 27:1-13.