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Reproductive performance of Eurasian Kestrel Falco tinnunculus in an agricultural landscape with a mosaic of land uses
Authors:David Costantini  Giacomo Dell'Omo  Isabella La Fata  Stefania Casagrande
Affiliation:1. Department of Biology, University of Antwerp, , 2610 Wilrijk, Belgium;2. Institute for Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, , Glasgow, G12 8QQ UK;3. Ornis italica, , I‐00199 Rome, Italy;4. Studio Associato Ecologia e Consulenza, , 43124 Parma, Italy
Abstract:There are serious concerns about the environmental and ecological degradation caused by modern agriculture and its impact on animal populations. There is therefore a need to assess the reproductive performance of free‐living animals in agricultural landscapes. We undertook a 4‐year study on the reproductive biology of Eurasian Kestrel Falco tinnunculus in the Parma district of Italy. Kestrels breeding in areas of intensive agriculture delayed egg‐laying and their offspring were in poorer condition compared with those breeding in areas of temporary or permanent grasslands. However, egg volume and fledging success were similar among sites. The availability of temporary and permanent grasslands may limit the negative impacts of intensive agriculture on the breeding activity of Kestrels.
Keywords:agricultural impact  body condition  Eurasian Kestrel  fledging success  land use  raptors  reproductive performance
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