@article{oai:nipr.repo.nii.ac.jp:00005157,
 author = {Watanuki,Yutaka and Naito,Yasuhiko and Schauer,Jay},
 journal = {Proceedings of the NIPR Symposium on Polar Biology},
 month = {Mar},
 note = {P(論文), At Bluff seabird colony, Norton Sound, Alaska, Common Murres (Una aalge) fed their chicks with mostly blenmes in the afternoon. Parents of Black-legged Kittiwakes (Rissa tndactyla) shifted chick guarding duties at any time of day Foraging trip time of the murres at Bluff (3 6 hr) was about 1.4-3.3 times longer than other colonies in boreal areas.},
 pages = {98--104},
 title = {Chick diet and daily activity pattern of Common Murres and Black-legged Kittiwakes at Bluff seabird colony, Norton Sound, Alaska},
 volume = {5},
 year = {1992}
}