They detect the presence of the 'Devil Fish' in Sinaloa; a threat to fishing and ecosystems

Fred Meyer is employing an aggressive pest-control plan after customers spotted mice in the store through Southcentral Alaska’s unusually warm summer.

Browning on birch leaves before time for the fall season transition.

"The spruce bark beetle epidemic currently ravaging Southcentral AK's spruce trees is well-known, but I haven't heard mention of other pests occurring in conjunction."

An unusually wet year is responsible for the biblical-seeming swarm of pallid-winged grasshoppers, according to entomologists.

"This is the first time I've seen this kind of caterpillar in this area."

The rusty tussock moth has invaded the tundra in the Nome area, an infestation of the species not seen this far north before.

The Capital Regional District recently issued an alert sheet for Poison Hemlock (Conium maculatum).

Unusually high abundance of rusty tussock moth caterpillars in the Nome area.

"My family and I have been RV camping across Alaska for the last several years. This year, the mass amounts of dead spruce trees have been more apparent than any year prior."

The willow blotch leaf miner appears to be having a banner year in Whitehorse, likely because of hot, dry conditions in the city this spring.

Goldfish compete with native fish for food, potentially threatening an ecosystem.

Elodea was discovered in Alexander Lake in 2014 by researchers checking minnow traps. At the time, it covered 20 percent of the lake but now has spread to 90 percent.

Major sea lice epidemics have erupted on Atlantic salmon fish farms on Vancouver Island’s west coast over the last three months, according to industry, Fisheries and Oceans Canada and independent reports.

While the airborne ants may be a nuisance, Moscow City Hall’s environmental protection department said they are not dangerous.

The iconic pine trees blanketing Jasper National Park may never be the same as a mountain pine beetle epidemic has infected nearly half of the park's pine forest.

Caterpillar infestation in Village

While their kin are declining worldwide, Canada’s largest amphibian, the bullfrog, is multiplying out of control in British Columbia — with some human help