russo
черноногий хорёк português
doninha-de-patas-pretas espanhol
hurón de pies negros catalão
mustela nigripes 
1
A German in a similar position is a sort of human ferret.
2
The intelligence people were dispatched to ferret out any possible plots here.
3
Pug went the nearest way to blood; went in at ferret's hole.
4
Just then the face of the ferret man appeared at the door.
5
We took the lined ferret with us, and started after the pheasant.
1
Perhaps the most unique and clever food conserver is the American polecat.