Yukon conservation officers have euthanized a grizzly bear that was originally sighted near Braeburn.

Parks Canada wildlife officials responded in the early hours to a report of a cougar near Muskrat and Wolf Street in Banff on Jan. 13 at 3:50 a.m.

This could point to potential climate or food shortage stressors affecting the feeding behaviors of the House Sparrows.

This past weekend a group of hunters on all-terrain vehicles found four dead bowhead whales lying on a beach about 60 kilometres north of the Nunavut community of Kugaaruk. Photos of the bowhead whales taken by Rene Kukkuvak, appear to have a torn tongues and rake-like gouges.

Pear shaped cranberries (Vaccinium vitis-idaea) are likely the result of a genetic mutation.

Dead or dying eggs in a female coho salmon are a possible symptom of environmental stress felt by the fish. In Western Alaska, water levels have been low following a rapid spring snowmelt and low precipitation.

I have never seen fireweed like this. It is not growing with the normal straight stalk. Is it fireweed? My yard is full of them.

Eight raptor casualties in a matter of weeks is a worrisome spike.

This is the first time I recall seeing Fireweed that has a form like this.

This summer, fireweed has been telling us to prepare for winter. It's been telling us the season is off kilter, too. Here in Juneau we've had fireweed plants that are blooming halfway up the stalk growing next to fireweed with barely any buds.

Browsing moose may have damaged the primary flowering shoot of the fireweed, causing it to form multiple blooming stalks.

Small spiny growths on a rosebush resemble spiny galls created by cynipid wasps.

The Seward facility began housing five seals found in the Cook Inlet area and another that was rescued in Juneau.

Salmon affected have a characteristic red-spotted rash on their underbelly and may appear lethargic or moribund. In the past few weeks, suspected cases have also been reported in Denmark, Norway and Scotland.

A seal pup found in Iceland about five months ago has now returned to its home turf in Greenland. The ringed seal pup was found behaving strangely in Njarðvík harbor.

Ticks spotted on a Northwestern crow may have picked up ticks while scavenging for food.

The white spots found in the smelt appear to be tapeworm or nematode larvae. The Centers for Disease Control and Prevention (CDC) recommend cooking fish at about 153 degrees Fahrenheit for 5 minutes or freezing the fish at -4 degrees Fahrenheit for 7 days to kill the larvae before you eat the fish.

Seals have suffered serious infections of the heart and lungs. Veterinarians do not yet know the cause.

The Wisconsin Department of Natural Resources announced Wednesday that a wild deer tested positive for chronic wasting disease (CWD) in Marquette County.

A thick-billed murre (Uria lomvia) was spotted with a bill abnormality that could be attributed to poxvirus or other virus, trauma, tumor, or congenital abnormality.