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Field studies were carried out at two stations of the Ornithological Unit, Institute of Biological Problems of the North, Far East Branch, Russian Academy of Sciences, located in Nizhnekolymsk District, Yakutia, from May 15–20 in 1984, 1985, 1987, 1988, and 1990; on the northern coast of Pukhovoy Bay, the southern island of Novaya Zemlya, from June 1st in 1994; at Cape Beliy Nos, the Yugorsky Peninsula,...
The work was performed at two stations of the Ornithological Unit with the Institute of Biological Problems of the North, Far East Branch, Russian Academy of Sciences in the Nizhnekolymsk raion, Yakutia, staring from May 18–20 in 1984, 1985, 1987, 1988, and 1990. The timing of the prebreeding period has been determined for 11 sandpiper species differing in their social organization and compared using...
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