Polecat – Page 6 – The Vincent Wildlife Trust

Birks, J. et al. (2005). Diversity of den sites used by pine martens

Dens are an important resource for pine martens and sites are selected in response to predation risks and energetic constraints. We compiled a sample of 370 pine marten dens to test the hypothesis that a scarcity of sites leads to the use of suboptimal structures.

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Birks, J. et al. (2004). Are scat surveys a reliable method for assessing distribution of pine martens?

Systematic searches for marten feces or ‘scats’ have been used since 1980 for assessing the status of protected populations of pine martens in Britain. This report reviews the recent history of survey programs for pine marten populations in Britain and examines the accuracy of marten scat identification in the field.

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Shore, R.F. et al. (2003). Spatial and temporal analysis of second-generation anticoagulant rodenticide residues in polecats

Polecats in Britain are currently expanding their range eastwards from Wales to reoccupy central and eastern areas of England. Second-generation anticoagulant rodenticides (SGARs), to which polecats are exposed by eating contaminated prey, are used more extensively in these central and eastern regions, leading to fears of increased exposure, and possible resultant mortality.

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Davison, A. et al. (2002). On the origin of faeces: morphological versus molecular methods for surveying rare carnivores from their scats

Charismatic mammals remain a linchpin in attracting publicity and funds for the conservation of native habitats and organisms. Unfortunately, the same animals are frequently scarce and difficult to survey. For many, confirming their presence through faecal surveys is the only cost-effective approach.

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Bontadina, F. et al. (2002). Radio-tracking reveals that lesser horseshoe bats forage in woodland

Over the past 50 years European populations of the lesser horseshoe bat have severely declined. To date, studies of the foraging behaviour of this species have been limited as its low mass (4±8 g) precluded the use of radio-telemetry because commercially available radio-transmitters exceeded 10% of its body mass. In this study, radiotransmitters weighing < 0.35 g were built.

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Davison, A. et al (2001). Mitochondrial phylogeography and population history of pine martens compared with polecats

The flora and fauna of Europe are linked by a common biogeographic history, most recently the Pleistocene glaciations that restricted the range of most, if not all, species to southern refugial populations. Changes in population size and migration, as well as selection, all left a signature on the genetic differentiation that is present today.

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Davison, A. et al. (1999). Hybridization and the phylogenetic relationship between polecats and domestic ferrets in Britain

Ferrets were domesticated from polecats more than 2000 years ago. Following their introduction to Britain, they escaped and hybridized with native European polecats. Native polecats declined to the point of near extinction prior to World War I but have recently begun to expand from a Welsh refugium. Concern has arisen as to the extent of polecat/ferret introgression, and in particular, whether the expanding population is of mainly hybrid origin.

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