The skin lesion in the photo is likely caused by a stress-related bacterial infection – possibly trauma initiated. Probably common opportunistic bacteria in the environment such as motile Pseudomonas/Aeromonas Gram-negative organisms.

According to the Natural Resources Institute (Luke), the wolf population is expanding into the south and west – but winter will once more contain their numbers.

A walrus has tested positive for trichinella, also known as “pork worm” in Sanikiluaq, Nunavut according to the territorial health department.

The George River caribou herd, which straddles Labrador and Quebec, is in a critical state, according to biologists.

MOREAU - The Moreau Lake State Park swimming beach has been closed due to an algal bloom causing potential health hazards, a spokesman for the state Officer Parks, Recreation and Historic Preservation said Wednesday. The beach was closed Tuesday afternoon as a precaution, said Dan Keefe, a spokesman for State Parks in Albany.

More bees seen enjoying sweet clover thus year than in recent years.

Black Rockfish (Sebastes melonops) caught with X-Cell tumor.

The population of endangered killer whales has hit a 30-year-low, numbering only 75 this year.

State officials are now blaming toxoplasmosis, a parasite carried in cat feces, for the deaths of three critically endangered Hawaiian monk seals on Oahu.

Unalaskans are used to spotting marine mammals around the island. But lately, they're not just seeing whales or otters. They're seeing ringed seals — an Arctic species that typically lives far north of the ice-free Aleutian Islands.

Muscle tapeworm cysts in caribou meat.

A parasite wreaking havoc on moose populations in southern Quebec has been found for the first time in Cree territory, prompting local officials to ask hunters to be on the lookout. Winter ticks thrive in the shorter, warmer winters, which have become more prevalent in recent years.

T. gondii infection in people was found to be associated with drinking water from home water tanks where T. gondii parasites remained, clinging to the walls—so cleaning of these water tanks would be one way to reduce infection.

The animals didn't necessarily become sick, researchers said, but were encountering the new pathogens much more frequently.

Silver salmon, caught 10 miles up the Twin Hills River, had small white patches in flesh.

Increase in red voles and gray shrews, compared to the last three years.

The usual treatments are failing 60% of the time in some regions of Cambodia, scientists say.

Parasite identified as sea lice.

For centuries, marine species have moved around either by hitching ride on the hulls of ships or as stowaways in ballast water. In many instances, species have been deliberately introduced for aquaculture or other commercial purposes.

Some are concerned about the farmed Atlantic salmon coming to Alaska and bringing unwelcome competition for native species.