Reddish color in summer, blue-gray in winter; rump patch is cream colored with black tip; tail is cream-colored. Ears are larger and antlers branch equally. Geographically located midwest-west.

Smaller in size and can be distinguished by its blackish or brown coloring on top of tail. Geographically located on the west coast.

Reddish to tan coloring. Large white rump patch with short white tail. Rump hair stands up when alerted or fleeting. Two broad white bands across neck. Male has large black jaw patch and larger, slightly curved horns with single prong growing forward.

Dark brown to gray coloring; white rump patch with short darker tail. Two heavy, tapering, curled brown horns on male; smaller and less curled on female. Lives in rocky, mountainous terrain.

Dark brown to tan coloring; yellowish rump patch and tail. Large, spreading antlers on males. Lives in mountainous terrain in summer and may move to lower elevations and wooded slopes in the winter.

Largest of the caribou; dark brown with whitish neck, underside, rump, and above each hoof. Semipalmated antlers with a prominent vertical tine over nose. Geographically located in the northern region (Canada).

Dark brown coloring; legs are grayish. Large overhanging snout; dewlap on throat. Antlers on males are massive, palmate, and flat. Geographically found in the northern parts of the US and Canada and along the Rocky Mountains.

Large tan cat with long, dark-tipped tail.

Medium-sized with reddish-spotted fur (grayer in winter) and black on top and at tip of very short tail. Light-spotted underside including face. Geographically located in almost all regions of the US and in southern Canada.

Distinguished from bobcat by black-tipped tail and tufted ears. Has extremely large feet, allowing it to move easily in snowy terrain. Geographically located in northern US and Canada.

Pig-like with coarse black and gray hair and collar of light-colored hair around neck. Upper tusks are sharp and pointed downward.

Medium-sized with gray to reddish-gray fur, more red on legs, feet, and ears; dark-tipped tail; whitish belly and throat.

Largest wild dog. Color varies from white (Arctic) to black, but usually a grizzled gray. Tails often black-tipped. Holds tail straight out when running.

Long white fur that turns yellowish in winter, black hooves and horns that curve slightly backward, and a distinctive beard. Usually found above timberline on rocky precipices or steep slopes.

Color varies from black to cinnamon to blond in west and black in east; muzzle usually brown; may have a small white patch on chest. Male much larger than female.

Color varies from light yellow to dark brown to nearly black; fur on back usually white-tipped, giving grizzled effect. Has a noticeable hump above shoulders.

Medium sized with dark and light mixed fur; distinctive black mask across white face; small to medium-sized ears and ringed tail.

Small; cat-sized with grayish-brown armor-plated body. Geographically located, south-southeast US.

Medium-sized with short black legs and yellowish-gray hair. Medium white stripe over head to nose, white cheeks, and black patch in front of each ear. Long front claws for digging.

Large sized, brown rodent; naked tail, scaly and paddle shaped. Large chestnut-colored front teeth and webbed short feet for swimming.

Large rodent, size of small dog; chunky body with short legs. Color varies from black to brownish-yellow. Sharp spines on rump and tail.

Small-sized with yellowish or reddish back and lighter underside; bushy tail.

Small-sized with tan to reddish fur; small ears; light colored underside; black tipped, short tail. Lives in dry, upland prairies in colonies of burrows.

Medium-sized with black fur and white markings. Includes striped, spotted, and hog-nosed.

Dark brown and bear-like with yellowish stripes starting at the shoulder and joining at the rump. Lives close to the timberline or on the tundra.

Medium-sized, grayish-brown rodent with long, round tail with few hairs. Hind feet are webbed.

Small-sized with brown to grayish-brown fur and grayish underside; black, scaly tail; partially-webbed hind feet. Lives in marshes, ponds, and streams.

Medium-sized, usually reddish-yellow but sometimes gray; can range from darker to lighter; bushy tail with white tip; usually dark legs and paws. Lives in mixed woodlands, farming areas, and open country.

Medium-sized with salt-and-pepper fur; face is white under gray and rust; rust color on neck, flanks, and legs; bushy tail topped with black stripe and tip. Lives in thickets of shrubs or trees, open woodlands, and rocky areas.

Small-to medium sized with pale gray to buff yellow body; whitish underside; large ears; black tipped tail. Lives in open deserts or plains with low vegetation.

Medium-sized with dark brown fur and white chin patch; tail slightly bushy. Lives along rivers, streams, marshes, ponds, and lakes.

Long-bodied and short legged; brown back and white or yellow underside; long tail with black tip. Lives on all types of land preferably near water.

Large-sized and weasel-like with brown fur and silvery face, chin, and underside; feet webbed; tail thick at base. Lives in aquatic habitats.

Long-bodied, dark brown to nearly black with grayish head. Lives in mixed coniferous and hardwood forests. Good climbers and swimmers. Geographically located in Canada and northern US.

Dark brown to blond, with an orange or tan throat patch, dark legs, light-colored head, and long bushy tail. Prefers coniferous forests or cedar swamps.

Small to medium sized with yellowish gray to darker fur; long whitish and blackish-brown ringed tail; small head and medium-sized ears. Lives in rocky ridges, cliffs, thickets of shrubs or trees, semi-deserts, and near water.

Small to medium sized with gray to dark gray fur; whitish face; small ears; rat-like tail.

Small-sized with brownish-gray fur with cotton-tail; large ears but not as large as a jackrabbit. Geographically located east to midwest US.

Medium-sized with grayish-brown fur with large black-tipped ears and black streak on top of short tail. Geographically located in the southwest. Lives in prairies, shrublands, and semi-arid deserts.