stoat
US /stoʊt/
UK /stoʊt/

1.
comadreja, armiño
a small, carnivorous mammal of the weasel family, typically with a white winter coat and a black-tipped tail, native to northern temperate regions.
:
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The farmer spotted a stoat near the chicken coop.
El granjero vio una comadreja cerca del gallinero.
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In winter, the stoat's fur turns pure white, except for its black tail tip.
En invierno, el pelaje de la comadreja se vuelve blanco puro, excepto por la punta negra de su cola.