Southern mountain caribou listed under the ESA
The U.S. Fish and Wildlife Service classified the recently extirpated southern mountain population of woodland caribou (Rangifer tarandus caribou) in parts of Idaho ...
Canada
Birds lose weight, migrate later after consuming insecticide
Birds that have ingested seeds treated with a common insecticide experience weight loss and delay their migrations — effects that could reduce their chances of ...
Why do Canadian Arctic seabirds carry so much mercury?
Seabirds in Canada and the Pacific Arctic show greater concentrations of mercury contamination than their Arctic European counterparts, according to a meta-review. ...
Wild Cam: Highway blocks wolverine females from dispersing south
While male wolverines are making their way past, the Trans-Canada Highway appears to be blocking the southward movement of females, limiting their ability to reach ...
In Canadian biosphere, key corridors cross private land
The Beaver Hills Biosphere in central Alberta includes a patchwork of protected areas, but some of the terrain that fishers in the region rely on most are ...
Watch: Murres dive deep on fishing missions
Rappelling down a 650-foot cliff to catch seabirds on a remote island just below the Arctic Circle was scary enough. “The first time you look over and you rappel ...
Citizen scientists have eagle eye for new bird arrivals
Informal bird enthusiasts are great at detecting the arrival of new species in an area, but their observations aren’t necessarily the best at giving accurate ...
The diminishing song of Quebec’s chorus frogs
The remaining boreal chorus frogs in the province of Quebec may require government protection to give them a chance at surviving, according to new research. “We ...
Arctic fox breaks records with over 2,000-mile journey
An Arctic fox fitted with a tracking device recently moved at the fastest rate ever recorded for the species on its 2,000-mile journey from Norway to Canada. The ...
Watch: Tiny Manitoba town draws 70K yearly — in snakes
Thousands of tourists come out to a small town in Manitoba every year to witness garter snakes emerge from hibernation. But while the human crowds can be large, ...