Role in The Ecosystem
The C. russula serves as a prey to many animals, however, an abundance in this species may lead to a decline in other small mammals such as pygmy shrews. In April 2008, the Greater White-toothed Shrew was discovered in Ireland. While the introduction of the species will possibly sustain threatened birds of prey, such as the Barn Owl, the nonnative mammal could threaten some of the smaller native species, such as the Eurasian Pygmy Shrew.
Read more about this topic: Greater White-toothed Shrew
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