PRE-FLIGHT CLUSTERS OF GREY CRANE (GRUS GRUS) IN THE SOUTH-EAST OF WESTERN SIBERIA (ALTAI TERRITORY)
The article provides Eurasian Crane pre-migratory concentration places in the South-East of Western Siberia within Altai Region - Kulundinskaya lowland and Priobskoye Plateau. The survey data cover the period since the middle of the 2000s. Counting has been conducted in the second decade of September 2015. According to experts, the Eurasian Crane numbers are around 14,000 (fourteen thousand) during the autumn migration on the Altai Region territory.