N B Koniukhov

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Based on the published data, a hypothesis is proposed on possible ways of spreading of the Alcids from the center of their primary radiation located in the Pacific. The Alcids colonized the Atlantic first in the Early-Middle Miocene. They rounded North America from the south: at that time, the strait between the Americas was open, while the Bering Strain(More)
This is the second publication on the results of studies of the whiskered auklet breeding biology on Buldir Island. In 1993, according to the time of chick hatching the egg-laying period began in late April-early May. The single egg was incubated by both parents, which relieved each other once a day, usually at early night. Among the chicks under(More)
Feather molting and bill-late sheeding were studied because of the unique features of the whiskered auklet biology; i.e., they continue to visit the colony after departure of their young. Like other auklets, the whiskered auklets begin to molt during breeding and do not lose their capacity for flight. The molt pattern of different wing feathers is adaptive(More)
This is the third paper on the breeding biology of the whiskered auklet on Buldir Island (Aleutian Islands) based on material collected in 1993. Unlike other alcid birds, both adult and young whiskered auklets returned to the colony the night after the end of the breeding season. From the end of July until the third ten-day period of August, the number of(More)
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