CHICK DIET AND DAILY ACTIVITY PATTERN OFCOMMON MURRES AND BLACK-LEGGED KITTIWAKESAT BLUFF SEABIRD COLONY,NORTON SOUND, ALASKA

Guillemot (Uria aalge) Science Article 8

abstract

At Bluff seabird colony, Norton Sound, Alaska, Common Murres(Uria aalge) fed their chicks with mostly blennies in the afternoon. Parents ofBlack-legged Kittiwakes (Rissa tridactyla) shifted chick guarding duties at any timeof day. Foraging trip time of the murres at Bluff (3.6 hr) was about 1.4-3.3 timeslonger than other colonies in boreal areas.

Yutaka WATANUKI, Yadsuhiko NAITO and Jay SCHAUER, Polar Biol., 5,98-104, 1992

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