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

A British Columbia man who witnessed dozens of birds falling from the sky just south of Vancouver says he was horrified by the sight.

The Division of Marine Fisheries is analyzing the clams and expects to have preliminary results in the coming days that might point to a cause.

The Martin County Sheriff’s Office believes a toxic algae bloom is to blame for killing one dog and making six others sick.

The counts of fall Chinook at Bonneville Dam are 29 percent below preseason forecasts, and ongoing fisheries are approaching the allowable catch limits under the Endangered Species Act (ESA).

Red tide is officially impacting Pinellas County. Crews have picked up a total of 33.48 tons of dead fish and hauled them off to the county dump.

Scientists are baffled by a wave of whale deaths - which saw more carcasses wash up on the coasts of Scotland and Ireland in the past month than in the previous decade.

Deaths of gray and harbor seals, in much greater numbers than usual, have been attributed to viruses related to distemper and the flu.

Botswana's 2018 Wildlife Aerial Survey has revealed large-scale poaching of the country's elephants with conservationists saying so far, 87 carcasses have been found.

Southwest Florida is reeling from a toxic algae bloom called red tide. Hundreds of tons of dead fish are washing up on beaches.

I started looking for insects months ago only to find them significantly absent from this area.

The IWDG says a minimum of 16 beaked whale deaths were recorded along the North West coast of Ireland from Galway to Donegal between 3 and 22 August, 2018.

California State Parks scientists are running tests this week to determine what caused about 1,500 fish to die in Malibu Lagoon last week, but officials suspect higher-than-normal water temperatures may have played a role.

Many of the dead seals that washed ashore in northern New England in the past few weeks tested positive for either avian influenza or phocine distemper virus, but it is still too soon to say if those viruses are the primary causes of the unusual die-off.

Nine whales have been stranded so far this year in East Iceland. Bottlenose whales and Curvier’s beaked whales are members of the family Ziphiidae and it’s often been said that they are more sensitive to noise pollution in the ocean.

A 10-year study on the Pajarito Plateau shows a 73 percent decrease in abundance and a 45 percent decrease in variety of species.

Marine mammal experts are testing tissue samples for a potential common cause of the surge in carcasses found on the state's beaches this year.

Carcasses examined so far have shown no indication of disease, and tests are pending for harmful algal toxins. Seabirds have been found emaciated and starved, and changed ocean conditions may have affected prey.

Sargassum, a type of seaweed, is creating problems as it washes up across the Caribbean.

The smelly carcass, identified as that of an adult male minke whale, is the second large marine animal to turn up on shore in southern Maine in the past week.