From 4 August 1977 to 31 March 2014, 188.444 birds were ringed at the FEIN Ornithological Observatory in Arosio (CO), so it is assumed that at the end of September the exceptional number of 190.000 birds belonging to avifauna will be reached. European.
In these last days of March and, especially on the days of 28, 29 and 30, we noticed the real beginning of the pre-nuptial migration with the resumption of good weather which, we hope, will accompany us throughout the month of April. The first quarter was not exciting due to the continuous and abundant rains which did not favor the presence of passerines, already scarce in late autumn.
Now even at the ornithological station everything is ready to welcome the large group of trans-Saharan migrants who are beginning to go up the Italian territory to go to places suitable for them for reproduction, despite the fact that in many regions of northern Europe the ground is still covered by the snow that occurred in the winter just ended and somewhat anomalous.
2 April 2014
ANUU Migrators
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