Feeding ecology of the armored shrew, from the north‐eastern Democratic Republic of Congo

Autor:	R. Hutterer, A. Dudu, Sara Churchfield, F. Dieterlen
Rok vydání:	2007
Předmět:	biology Ecology Shrew Foraging Fossorial Context (language use) biology.organism_classification Soricomorpha Predation Oligochaeta (plant) Scutisorex somereni biology.animal Animal Science and Zoology Ecology Evolution Behavior and Systematics
Zdroj:	Journal of Zoology. 273:40-45
ISSN:	1469-7998 0952-8369
DOI:	10.1111/j.1469-7998.2007.00297.x
Popis:	The diet of Scutisorex somereni (Soricomorpha: Soricidae) from forests in the Democratic Republic of Congo was investigated to elucidate its feeding ecology in the context of its unique spinal modifications. It ate a wide range of small and large invertebrates, including representatives of Coleoptera, Formicidae, Lepidoptera and Diptera larvae, Chilopoda, Diplopoda and Araneae, but the principal prey was Oligochaeta. All diet samples contained Oligochaeta and these contributed 38–45% of prey volume. While 64% of prey occurrences were 26 mm, mostly large Oligochaeta (some of >50 mm). Soil-dwelling prey comprised 46% by composition (59% by volume) of the diet. Besides its peculiar skeletal modifications, it has an exceptionally long intestine relative to its body size. It was concluded that S. somereni is primarily an earthworm-eating shrew and partially subterranean rather than truly fossorial in foraging mode. Its diet and foraging mode cannot explain the unique vertebral modifications of this zoological curiosity.
Databáze:	OpenAIRE
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