Geographical Location: Canada

December 21, 2021

Beavers expanding into Arctic, transforming the tundra

Beavers are heading northward, and they’re having a significant impact on the landscape in northern Canada and Alaska. That’s one of the findings highlighted in the Arctic Report Card 2021,...

November 23, 2021

Managing industrious beavers in Canada proves difficult

Beavers may be a national symbol in Canada, but the large, stubborn rodents can cause problems for property owners and landscape managers. Beavers can flood logging roads, inundate property and...

November 17, 2021

An Asian eagle has shown up in Canada, half a world away

How did an Asian eagle end up in eastern Canada? Birders have been, well, flocking to see a Steller’s sea eagle (Haliaeetus pelagicus) as it made its way across North...

November 12, 2021

British Columbia plans to cease logging in old-growth forests

The province of British Columbia plans to suspend logging in a portion of old-growth forest to stem biodiversity loss, but it is waiting on First Nations to sign off on...

November 10, 2021

Adapted to Arctic cold, murres are vulnerable to a warming climate

When researchers heard reports of thick-billed murres dying on their nests on sunny days on the Hudson Bay in Nunavut, Canada, they wondered if the birds were having trouble dealing...

October 29, 2021

TWS2021: Climate change may shift seal prey in Arctic

Climate change could change the number and location of fish that seals prey on in Hudson Bay by the end of the century, likely affecting seal populations. Past studies have...

October 7, 2021

Arctic predators drive rodent population cycles

Voles and lemmings are some of the most populous mammals in the Arctic, and their populations go through cycles that rise and fall. But why? That’s long been a mystery...

September 21, 2021

Mountain goat gores grizzly to death in British Columbia

In a surprising twist, a hiker has discovered evidence of a mountain goat (Oreamnos americanus) goring a grizzly bear (Ursus arctos horribilis) to death in Yoho National Park in British...

September 7, 2021

JWM: For caribou, not all disturbance is the same

Researchers found that fire disturbance doesn’t negatively affect caribou in the same way as humans do, suggesting that Canadian recovery guidelines should change to reflect caribou’s tolerance of burned landscapes....

August 27, 2021

Tree swallows ingest dozens of pesticides

Tree swallows are ingesting various types of pesticides through their insect diet, even when they don’t live near large industrial farms where the chemicals are most prevalent. “There is strong...