Shrew and vole research on Texel island


This video says about itself:

Alien Invader: Greater White-toothed Shrew in Ireland

10 May 2009

This is the Greater White-toothed Shrew, an invasive alien species to Ireland.

It was first recorded in this country when skulls of this beast were found in regurgitated Barn Owl pellets in County Tipperary in the winter of 2007/2008. It is a native of the European Continent and North Africa. It has not yet been proven how this species came to be here, though it may have first arrived in 2001.

The arrival of this shrew is only the third accidental mammalian introduction event to Ireland in the last 60 years: Bank Voles from Germany came into Kerry in heavy equipment imported into the country by Siemens when they built the Ardnacrusha Hydroelectric power station on the River Shannon in the 1930s, though their presence was not noticed until August 1964; in 1951 commercial farming of American Mink began in Ireland and escaped animals managed to establish themselves in the wild. Both have used water-courses to spread across the country, and while the vole appears to have been a harmless introduction, the mink is a nuisance for fisheries and can be a problem for rare ground nesting waterbirds and people who keep poultry.

This toothy little fella was trapped for filming for a wildlife programme on invasive species in Ireland (broadcast on TG4 in late 2008). He was placed in this terrarium for filming purposes on the edge of the County Tipperary wood where he was trapped, and I slotted in beside the cameraman to take these shots, which admittedly are not great. The shrew was released immediately afterwards and no harm came to it.

Ecomare museum on Texel in the Netherlands reports today about small mammals research in the Krimbos woodland in the north of the island.

The greater white-toothed shrew was found there.

So were three vole species: tundra vole; bank vole; and field vole.

See also here.

9 thoughts on “Shrew and vole research on Texel island

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