American mink

American minks are most active at night and at dusk.American minks are most active at night and at dusk.

An excerpt from the article 19 facts about American mink

During the day, they stay in earthen burrows up to 3 m long, which they have dug themselves. It also happens that they do not dig their burrows, but occupy existing ones, or settle in low-lying hollows or uprooted trees (overturned trees with torn roots).