In Asia, the date of arrival of migrant birds to nesting areas and the date of departure from winter areas are changing consistently with climate change . Time of arrival of the grey crow to the Lower Ob river region, northwest Siberia, shifted to earlier dates in the period 1970-2017, which is consistent with an increase in the daily average temperatures on the day of arrival . In Ilmen Nature Reserve, Urals, an earlier arrival of the majority of nesting bird species has not been observed in recent decades. This is explained by the fact that other factors, such as the weather of each spring month of particular years, population density in the previous nesting period,
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Climate Change 2022: Impacts, Adaptation and Vulnerability
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