ermine | | fur, feathers, grass, leaves | mice | coyotes, badgers, foxes, hawks, owls, martens, wolverines, fishers, humans | | in hollow log, under building, in burrow of mouse, ground squirrel, chipmunk or pocket gopher | | | | | weasel | all of Canada | | Mustella erminea | | | | fur by humans | | hermine | | |  | stoat | boreal coniferous forests, mixed forests, tundra, meadow edges, shrubby river banks, lakeshores |
adult ermine | early summer | fur, feathers, grass, leaves | mice | coyotes, badgers, foxes, hawks, owls, martens, wolverines, fishers, humans | March and April and again in October and November | in hollow log, under building, in burrow of mouse, ground squirrel, chipmunk or pocket gopher | spring and fall because of changing duration of daylight | grabbing it around the shoulders and biting through the neck at the base of the skull | | extra food in larders | ermine | all of Canada | | Mustella erminea | | | mice, shrews, hares, porcupines, birds, squirrels, fish, rats, voles, ground squirrels, pocket gophers, chipmunks, pikas, mountain beavers, snakes, frogs, earthworms | fur by humans | small mouth | hermine | | brown on top and white below in summer, white in winter, black tipped tail |  | stoat | boreal coniferous forests, mixed forests, tundra, meadow edges, shrubby river banks, lakeshores |
baby ermine | | fur, feathers, grass, leaves | mice | coyotes, badgers, foxes, hawks, owls, martens, wolverines, fishers, humans | | in hollow log, under building, in burrow of mouse, ground squirrel, chipmunk or pocket gopher | | | | | ermine | all of Canada | | Mustella erminea | | | | fur by humans | sealed eyes at birth | hermine | 5 weeks | white at birth |  | stoat | boreal coniferous forests, mixed forests, tundra, meadow edges, shrubby river banks, lakeshores |