Transactions
of the Azov-Black Sea Ornithological Station
Over the last decades for some bird species it wasregistered a noticeable change in timing of spring migration in Europe toward its earlier start. It is above all connected with global warming. European short-distance migrants, spending winter at temperate latitudes, are more vulnerable to change of climate factors in Europe than long-distance migrants wintering in the tropics.
Read the paper in a PDF file