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Title: First results on the feeding ecology of the Transcaucasian water shrew Neomys teres (Soricomorpha: Soricidae) from Armenia
Authors: Churchfield, Sara
Rychlik, Leszek
Yavrouyan, Eduard
Turlejski, Kris
Keywords: Water shrew
Issue Date: 2006
Citation: Canadian Journal of Zoology vol. 84, 2006, pp. 1853-1858
Abstract: Microscopic examination of alimentary tracts of fourteen Neomys teres (Miller, 1908) from a mountainous region in northern Armenia produced the first data on the diet of this almost unknown species of conservation concern. Twenty-three different prey types were distinguished in summer-caught shrews, all invertebrates (14 terrestrial and 9 aquatic in origin). The dominant dietary items were Coleoptera and Diptera adults, Araneae, Opiliones and Lumbricidae plus freshwater crustaceans and Trichoptera larvae. Prey ranged from <3 to >16 mm in length but those eaten most frequently were 6-10 mm in length. Although it was captured beside streams and rivers, aquatic prey comprised only 27% of dietary composition. Despite its morphological similarity to N. fodiens, its foraging niche more closely resembles that of upland populations of N. anomalus and its reliance on aquatic habitats remains equivocal.
Appears in Collections:Artykuły naukowe (WB)

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