Crossword Genius

Mammal, foxy dropping tail (5)

Ross

I believe the answer is:

shrew

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'mammal' is the definition.
(shrew is a kind of mammal)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for shrew that I've seen before include "Virago" , "Insectivorous mammal" , "difficult woman" , "Insectivore - Katharina" , "Mouse-like animal or scolding woman" .)

I've seen this clue in The Telegraph.
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