Abstract -

Unambiguous species identification is fundamental, especially when attempting to study species-specific interactions or management and conservation issues. Current weasel identification methods are based on external and cranial morphology, yet North American weasels show significant geographic variation in size and considerable overlap occurs in measurements of Mustela erminea and M. frenata. As a result, these species can easily be confused. Our objectives were to : (1) develop a simple method based on restriction fragment length polymorphism (RFLP) analyses to classify Mustela ...

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