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Pregnancy among otters (Lutra lutra) found dead in England and Wales: foetal development and lack of seasonality

Chadwick, Elizabeth Anna and Sherrard-Smith, Eleanor 2010. Pregnancy among otters (Lutra lutra) found dead in England and Wales: foetal development and lack of seasonality. IUCN Otter Specialist Bulletin 27 (1) , pp. 33-41.

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Abstract

In some parts of its range, the Eurasian otter (Lutra lutra) is reported to exhibit seasonal breeding, but in England and Wales breeding is thought to occur throughout the year. Here, we test that assumption using data from 206 female otters found dead in England or Wales between 1992 and 2008. Pregnant females were found in all months except June; no evidence for seasonality was found. The mean number of implantations (based on placental scarring) was 2.36. Information on foetal development of otters is limited; here we use foetal otters found in utero to describe development, and make a call for information from other researchers.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Related URLs:
Last Modified: 04 Jun 2017 08:12
URI: http://orca.cf.ac.uk/id/eprint/74344

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