Beaver lodge. Photo from the Yosemite National Park’s website.
Yellow Headed Blackbird. From the Yosemite National Park’s website.
Tiger Salamander. From the Yosemite National Park’s website.
Spotted Frog. From the Yosemite National Park’s website.
Sagebrush Lizard. From the Yosemite National Park’s website.
Bighorn Sheep. From the Yosemite National Park’s website.
Boreal Toad. From the Yosemite National Park’s website.
Columbia Spotted Frog. From the Yosemite National Park’s website.
Prairie Rattlesnake. From the Yosemite National Park’s website.
Bighorn Ram. From the Yosemite National Park’s website.
Wolf. From Yellowstone National Park’s website.
Short-tailed Weasel. From Yellowstone National Park’s website.
Black footed ferret. From Yellowstone National Park’s website.
Pronghorn Antelope. From Yellowstone National Park’s website.
Pine Marten. From Yellowstone National Park’s website.
Mountain Lion. From Yellowstone National Park’s website.
Bull moose. From Yellowstone National Park’s website.
Yellow-bellied marmot. From Yellowstone National Park’s website.
Grizzly tracks. From Yellowstone National Park’s website.
Bull elk. From Yellowstone National Park’s website.
Bull elk. From Yellowstone National Park’s website.
Elk Fawn. From Yellowstone National Park’s website.
Chipmonk. From Yellowstone National Park’s website.
Bison. From Yellowstone National Park’s website.