The Arctic skua Stercorarius parasiticus L. in northwest Hornsund, Spitsbergen, summer of 1980

[摘要] The Arctic Skua stercorarius parasiticus was observed on the northwestern coast of Hornsund from 8 July to 2 September 1980, on the coastal tundra from Worcesterpynten to the mouth of the Bratteg river, and on the south bank of the river to its outRow from the Myrktjenna lake. A coastal belt with about 15. 1 km of shoreline and about 5.74 km2 of tpndra was covered. The density of breeding pairs, clutch and egg size, hatching success. distribution. and seasonal variability of abundance of birds were noted.

[学科分类] 自然科学（综合）