White-tailed deer are generally distinguished from mule or black-tailed deer by their longer tail that is brown rather than black on the dorsal surface, a smaller metatarsal gland, and, in adult males, antlers with prongs arising from a single main...
Scenics; Rivers and streams; Mountains; Snow; Wildlife refuges; History
Open view of the Chandalar River Valley in summer with snow covered peaks in the distance. The Chandalar River is in the northern interior of the state of Alaska. It flows into the Yukon River less than 50 miles west of Fort Yukon, Alaska.
A yellow warbler waits to be released from the mist net. This was part of a yellow warbler breeding ecology study at Canvasback Lake, Yukon Flats National Wildlife Refuge.
Scenic view of the Sheenjek River Valley which is part of the Brooks Range in Alaska National Wildlife Refuge (ANWR); dall sheep are in the foreground.
Consolidated Army, Navy, Air Force dump, Amchitka Island, Aleutians, Rat Harbor location shows one of the aftermaths of war including the introduction of rats introduced on a hitherto uninfested island. The dump attracts rats. Note: Sign...