Large shearwater die-off at a Pilot Point beach.

Drought and high temperatures have dried the creek and caused thousands of pink salmon and Dolly Varden to die before they could spawn. The event raises questions about vulnerability of area salmon streams to climate change, and for local residents food security.

Swimming moose dies

Scientists first caught on to the strange event when they found thousands of purple sea urchins and other organisms dead in their laboratory tanks.

Chum salmon die-off in the Kobuk River.

Northern sea nettle jellyfish die-off

So far approximately 340 bison have died from an anthrax outbreak in the Fort Providence area of the N.W.T.

Authorities in Uruguay say they have found about 600 dead penguins washed up on the Atlantic coast since Saturday. Experts are trying to determine what has killed the sea birds.

STERLING, Alaska — Spent today tramping around the boggy depths of the Kenai National Wildlife Refuge, which is about a three-hour drive south of Anchorage. Berg The group went there to see h…

Dozens of dead penguins and others alive but with traces of oil appeared over the weekend along the east of Uruguay according to a marine life conservation non government organization.