What happens when invasive and native species are eaten by the same predator? If the invasive species is abundant, the native species can go extinct because predator numbers are propped up by the invading species. This process ...
Both Atlantic walrus and eastern migratory caribou are at risk of extinction in Canada's Arctic, a panel of experts has warned.
A wildlife group filed a lawsuit against Canada's environment ministry on Thursday over its alleged failure to protect critical caribou habitats.
Despite recent changes to the growing season for plants in the Arctic, Alaska, caribou appear to have remained in sync with these changes over the last 30 years.
Canada's caribou population has reached "all-time low" levels, particularly in the eastern Arctic, where the animal was classified as endangered Monday along with the monarch butterfly, according to a committee of scientific ...
The size of a large caribou herd in Alaska's Arctic region has dropped by more 50 percent over the last three years, and researchers who have tentatively ruled out hunting and predation as significant factors for the decline ...
The Alberta government recently announced an aggressive protection plan for caribou ranges in northern and central Alberta. The new plan includes adding 1.8 million hectares of protected land for a total of 4.9 million hectares ...
Hunters from a federal agency will travel to a remote island in the Aleutians to kill caribou, an invasive species that threatens wilderness vegetation.
A government plan to shoot up to 184 wolves from a helicopter to reduce their population and save caribou herds in western Canada drew sharp criticism from conservation groups Friday.
(Phys.org) —Eric Delwart of the Blood Systems Research Institute in San Francisco and colleagues have found two 700-year-old viral sequences in frozen caribou dung in an arctic ice patch. The researchers isolated part of ...
Aug 29, 2017
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