Katarzyna RosiĆska, Karolina Adamska and Anna Augustyn
Bird Migration Research Station, University of Gdansk, Przebendowo, 84-210
Choczewo, Poland;
The Arosio Bird Observatory, Via Cascina Perego, 1,
22060 Arosio (CO), Italy
biokr@univ.gda.pl
The subject of the SEEN Network investigations is studying bird
migration along the south eastern migration route. Co-operation with the Arosio
Bird Observatory enable monitoring of autumn bird migration along western
migration route based on SEEN methodology. In years 2005 and 2006 two SEEN
co-operators conducted studies at the Arosio Bird Observatory, located in
western part of the Pre-Alps. Term of work was similar in both years (2005: 22
Sep. - 28 Oct.; 2006: 21 Sep. - 29 Oct.). Birds were caught in mist-nets with
tape luring. Nets were located in typical for this region garden, specially
designed to catch birds. Birds were ringed and measured according to SEEN
standards (wing-, tail-length, wing formula, fat determination) and local station
standards (third primary length, tarsus length, muscle-score). Besides this,
some nocturnal migrants were tested for directional preferences in the Busse's
cage. Nearly 3 000 birds from 39 species were caught in 2005 and nearly 2 000
from 35 species in 2006. In both years three most numerous species were the
Song Thrush, Robin and Blackcap. Term of our study comprised the most
intensive period of above species migration in this area. In year 2005 - 323
orientation tests were performed, the most numerous tested birds were Robins
(225 tests) and Blackcap (79 tests). In 2006 number of tested birds was 412,
including 219 Robins and 122 Blackcaps.




