ORIGINAL RESEARCH
Study on the First Arrival Date of Spring Avian Migrants to Eastern Poland
Waldemar Biaduń1, Ignacy Kitowski2, Eugeniusz Filipiuk3
 
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1Department of Zoology and Invertebrate Ecology, Catholic University of Lublin,
Al. Kraśnicka 102, 20-718 Lublin, Poland
2Department of Zoology, University of Life Sciences in Lublin,
Akademicka 13, 20-950 Lublin, Poland
3Department of Meteorology and Climatology, Institute of Earth Sciences, Maria Curie-Skłodowska University,
Al. Kraśnicka 2cd, 20-718 Lublin, Poland
 
Pol. J. Environ. Stud. 2011;20(4):843–849
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ABSTRACT
First arrival dates of birds to their breeding grounds can be a valuable biological trait reflecting global and local climate changes. Long-term trends in the first arrival dates of 28 common breeding bird species to Gułowskie Forests (eastern Poland) were studied for the period of 1970-2009. Only 6 species studied – Barn Swallow (18 days), Thrush Nightingale (28 days), Lesser Whitethroat (8 days), Golden Oriole (7 days), Common Blackbird (13 days), and Chaffinch (14 days) – demonstrated a statistically significant trend of earlier arrival. Short- and medium-distance migrants arrived significantly earlier (median date: March 22) than studied long-distance migrants (median: April 23).
eISSN:2083-5906
ISSN:1230-1485