wolverine | | fallen tree, upturned root, rocky crevice, low tree bough | | | | wolves, porcupines, humans | | | | weasel | | northern Canada as far north as Ellesmere Island | Gulo gulo | | | | | | carcajou | | | |  | | | boreal forests, tundra, alpine tundra | | |
adult wolverine | April to September | fallen tree, upturned root, rocky crevice, low tree bough | grass and leaves | | | wolves, porcupines, humans | wolf or grizzly bear | bark, growl, hiss | | wolverine | | northern Canada as far north as Ellesmere Island | Gulo gulo | | 6.6-16.2 kg | roots, berries, mice, ground squirrels, birds' eggs, baby birds, fish, beavers, porcupines, moose, caribou, mountain goats, carrion | 865-1070 mm | stout, muscular body | carcajou | pugnacious, curious, bold and strong | in the day and at night | glossy dark brown with two pale buff stripes on the shoulders and flanks |  | | | boreal forests, tundra, alpine tundra | | carcasses left by wolves and bears |
baby wolverine | | fallen tree, upturned root, rocky crevice, low tree bough | | | its mother for its first winter | wolves, porcupines, humans | | | | wolverine | | northern Canada as far north as Ellesmere Island | Gulo gulo | | | | | | carcajou | | | creamy white with darker paws and face mask at birth |  | | 8-9 weeks | boreal forests, tundra, alpine tundra | | |