A small herd of caribou are silhouetted by midnight ligh on Alaska's North Slope. Caribou are the main food source for North Slope wolverines.

Three Trumpeter Swans walk along a frozen pond, as they are watched from the trees. Yukon, Canada.

A fox investigates one of the wolverine live traps during a blizzard. Wolverine crawl into the wooden boxes and pull at the meat that is wired to the inside, the wire releases the roof, which then traps the wolverine inside the wooden box. A signal is emailed to the biologists, who then need to arrive within eight hours, to ensure that the wolverine doesn't eat its' way through the 4 inch log walls of the box.