Caribou (Rangifer tarandus caribou) in Denali National Park and Preserve, Central Alaska; Alaska, United States of America

Caribou (Rangifer tarandus caribou) antlers on the grass with snow capped mountains in the background, Denali National Park and Preserve, central Alaska; Alaska, United States of America

Caribou crossing the park road in autumn, Denali National Park, Interior Alaska, USA

A bull caribou feeds on brush near the Savage River. Interior Alaska in Summer. Denali National Park & Preserve.

A cow caribou scratches herself while her calf lays in the tundra next to her. Interior Alaska in Summer. Denali National Park & Preserve.

Bull caribou stands in a pond near the Savage River to escape insects, Denali National Park, Interior Alaska, USA

Caribou (Rangifer tarandus) on the side of the highway; Paxson, Alaska, United States of America

Herd of Caribou in Denali National Park, Interior Alaska, Spring

Caribou walking across the tundra in Denali National Park, Interior Alaska, Spring

Bull Caribou resting on the tundra in Denali National Park, Interior Alaska, Spring

Caribou browsing and drinking from a small pond, Denali National Park, Interior Alaska, Spring

Four caribou along the park road in Denali National Park, Interior Alaska, Summer

Bull caribou on the Toklat river in Denali National park, Interior Alaska, Spring

Bull caribou in autumn colors, Denali National Park & Preserve, Alaska.

Bull Caribou feeding on Stony Mound in summer in Denali National Park in Interior Alaska

Bull caribou with antlers in velvet, Denali National Park and Preserve, Interior Alaska, summer

Bull Caribou feeding on Stony Mound in summer in Denali National Park in Interior Alaska

Bull caribou is followed by a park shuttle bus in Denali National Park, Interior Alaska.

Caribou (Rangifer tarandus caribou) beginning to grow antlers, Denali National Park and Preserve; Alaska, United States of America