Diet of two Eptesicus bat species in Moravia (Czech Republic)

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Authors

GAJDOŠÍK Martin GAISLER Jiří

Year of publication 2004
Type Article in Periodical
Magazine / Source Folia Zoologica
MU Faculty or unit

Faculty of Science

Citation
Field Zoology
Keywords Eptesicus serotinus; E. nilssonii; faecal pellets analysis; food composition; seasonal variation of diet; copmparison
Description Faecal pellets were collected under one maternity colony of each of E. serotinus and E. nilssonii. Nematoceran Diptera, mainly Chironomidae, were the most frequent food items in both species. Coleoptera, Lepidoptera, Heteroptera (Corixidae, Lygaeidae) and Hymenoptera (Formicoidea, Ichneumonidae) were common in E.s.; Lepidoptera, Heteroptera (Miridae), Aphidomorpha, Psyllomorpha and brachyceran Diptera were common in E.n. Although both species prefer aerial hawking and hunt for swarming insects if available, comparison of their diets and comparison with data of other authors revealed differences in foraging and diet between and within each of the species studied.
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