adult river otter | late winter to early spring | dry wood chips, bark, leaves | Order Carnivora | shrill whistle, chuckle, grunt | river otter | 2 years | hollow logs, stumps, roots, beaver lodges | all of Canada except the high arctic | Lontra canadensis | 7.2-7.75 kg | fish, insects, frogs, tadpoles, newts, muskrats, meadow voles, shrews and beavers | 1-1.3 m | | fur | up to 16 years in captivity | loutre de rivière | webbed toes | snowy, grassy or muddy hills | food under water | sociable, playful and docile with strong family loyalty | all winter | brown | shores of deep, clear lakes, rivers, marshes and ocean bays | coyotes, wolves | Family Mustelidae |
adult male river otter | late winter to early spring | dry wood chips, bark, leaves | Order Carnivora | shrill whistle, chuckle, grunt | male mammal | 2 years | hollow logs, stumps, roots, beaver lodges | all of Canada except the high arctic | Lontra canadensis | 7.75 kg | fish, insects, frogs, tadpoles, newts, muskrats, meadow voles, shrews and beavers | 1-1.3 m | until he is 6-7 years old | fur | up to 16 years in captivity | loutre de rivière | | snowy, grassy or muddy hills | food under water | sociable, playful and docile with strong family loyalty | all winter | brown | shores of deep, clear lakes, rivers, marshes and ocean bays | coyotes, wolves | Family Mustelidae |