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- Murawski, Marek, et al. Show all 10 Authors
- Polish Journal of Ecology 2017 v.65 no.3 pp. 423-433
- Coleoptera; Falco; North Atlantic Oscillation; Orthoptera; air temperature; breeding; falcons; insects; pellets; wind; Poland; Scandinavia
- ... The red-footed falcon Falco vespertinus inhabiting SE Europe is known for its irruptive migrations. Here we attempt to outline the causes (weather conditions, dietary composition etc.) of the irruptions in 2014–2016 in east-central Poland. From 2004 to 2016 a total of 2873 falcons were counted during 542 observation bouts. The speeds of E and SE winds in August and September differed significantly ...