Alaska refuge proposes killing invasive caribou
Federal wildlife officials are considering deadly measures to keep an Alaska big game animal introduced more than 50 years ago to a remote island in the Aleutians from expanding its range.
Arctic mammals can metabolize some pesticides, limits human exposure
Fortunately, you are not always what you eat – at least in Canada's Arctic. New research from the University of Guelph reveals that arctic mammals such as caribou can metabolize some current-use pesticides (CUPs) ingested ...
Prehistoric caribou hunting structure discovered beneath Lake Huron
Underwater archaeologists have discovered evidence of prehistoric caribou hunts that provide unprecedented insight into the social and seasonal organization of early peoples in the Great Lakes region.
Save the caribou, save the boreal forest, ecologists say
Endangered woodland caribou face increasing encroachment on their Canadian habitat, and foot-dragging by the federal government to try to halt this advance could now doom the species.
Alaskan caribou and ptarmigan migrations recorded
In the February issue of BioScience, biologists describe the first-of-a-kind recording of caribou and ptarmigan migrations made with 14 automated cameras positioned in the northern foothills of the Brooks Range, Alaska. By ana ...
Climate change will endanger caribou habitat, study says
Reindeer, from Northern Europe or Asia, are often thought of as a domesticated animal, one that may pull Santa's sled. Caribou, similar in appearance but living in the wilderness of North America, are thought of as conducting ...
Caribou may be indirectly affected by sea-ice loss in the Arctic
Melting sea ice in the Arctic may be leading, indirectly, to fewer caribou calf births and higher calf mortality in Greenland, according to scientists at Penn State University. Eric Post, a Penn State University ...
Professor identifies oldest and youngest stag-moose in North America
Matthew Hill has identified countless bones found by farmers, fishermen, rock hounds and heavy equipment operators. Most of the remains turn out to be deer, bison, horse or cow bones, or simply odd looking ...
Study finds loss of sea ice causes ecological changes
A new paper co-written by UM associate professor Mark Hebblewhite details ecological changes caused by a loss of Arctic sea ice.
Arctic sea-ice loss has widespread effects on wildlife
With sea ice at its lowest point in 1,500 years, how might ecological communities in the Arctic be affected by its continued and even accelerated melting over the next decades? In a review article in the ...
Caribou the missing piece of arctic warming puzzle
In the first study of its type in Canada, new research has shown caribou have a role to play in climate warming in the arctic. Despite declining herd numbers, caribou grazing is controlling plant growth in ...
New bone survey method could aid long-term survival of Arctic caribou
A study co-authored by a University of Florida scientist adds critical new data for understanding caribou calving grounds in an area under consideration for oil exploration in Alaska's Arctic National Wildlife Refuge.
U-M divers retrieve prehistoric wood from Lake Huron
(PhysOrg.com) -- Under the cold clear waters of Lake Huron, University of Michigan researchers have found a five-and-a-half foot-long, pole-shaped piece of wood that is 8,900 years old. The wood, which is ...
Experts urge protected areas to save Canada caribou
Canada needs to create large protected areas of woodlands to help save caribou from the threat of extinction, scientists and environmentalists said Wednesday.