Journal
ETHOLOGY ECOLOGY & EVOLUTION
Volume 31, Issue 6, Pages 506-513Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/03949370.2019.1624278
Keywords
alternate prey; diet composition; predation; prey switching; predator-prey
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Funding
- Euronatur (Germany)
- International Fund for Animal Welfare (USA)
- Wolves and Humans Foundation (UK)
- Narodowe Centrum Nauki [DEC-2014/12/S/NZ8/00624]
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We assessed the diet of adult wolves and their pups in an area recently recolonized by the species in north-western Poland, through the analysis of scats. Adult wolves preyed mostly on wild ungulates (94.8% of food biomass), with roe deer (45.0%) and red deer (37.8%) being the most important food sources, and occasionally on beavers (5.6%). Pups ate less ungulates (76.3%), but many more beavers (19.8%). Our study documented the importance of beavers as a food source for wolf pups in regions recolonized by the species in Central Europe, and highlighted the necessity for studies on ontogenetic changes in the wolf diet.
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