One of several rivers that pass under the Dalton Highway, these rivers are gateways for invasive plants to move down the river system into refuges like the Kanuti, and Koyukuk NWR; Kanuti National Wildlife Refuge; KNWR; Recreation; Tourism;...
Our most common salamander. Two color forms. There is no larval aquatic stage; complete development takes place inside the egg.
A lungless salamander, breathing through its skin and mouth lining. Red-backed form has a distinct reddish stripe down...
Our most common salamander. Two color forms. There is no larval aquatic stage; complete development takes place inside the egg.
A lungless salamander, breathing through its skin and mouth lining. Red-backed form has a distinct reddish stripe down...
The toad's black skin is covered in white and tan speckles and it sports a white midline down its spine from head to rump. Adults are approximately 5 cm (2 inches) in length. They are active during the warmer months and overwinter underground near...
Arapaho National Wildlife Refuge sits in a glacial bowl at 8,300 feet elevation--the highest refuge outside of Alaska. Here birds migrate seasonally not north and south but up and down the mountains. Visitors are almost certain to see the...