N. N. Egorov

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The white crane is a common migrating bird of the Aldan Plateau, with 100 to 200 individuals being visually recorded each season (up to 5% of population). The active passage is observed from May 14-15 to May 25-28, especially in the first days. The main part of the cranes migrating in spring takes north-north-east direction.
The basic tendencies of territorial changes in bird communities of the middle taiga on the Central Siberian Plateau are interrelated with the differences in forestation, productivity, swampiness, bushiness, watering, and buildup of habitats and are on the whole similar to those on the West Siberian and Central Yakutsk plains, although there are also some(More)
Studies on the bird fauna of the middle Aldan River valley, a poorly explored area of Russia, have been performed to reveal trends of spatial changes in the group of dominants, faunistic composition, density, species richness, and distribution of bird assemblages by vegetation layers and to identify environmental factors accounting for these trends. The(More)
The structure of the distribution range and population of the Siberian crane in its regular breeding area in the northeastern Yakutian tundra are described, as well as the migration terms, intensity, routes, and stopover sites. The territorial pairs (71.7–97.1% of the summer population), which in 2006 were represented by the birds at ages of 8 to 21 years(More)
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