Several hippos and at least four lions in the Masai Mara National Reserve have died after accidentally ingesting a powerful insecticide, conservationists say.
The birds may be gone from the wild within a decade after years of being poisoned by a common veterinary drug in dead livestock, a primary food source.
The giant defrosted this week has the world's biggest eyes, as well as light-emitting organs that may help render the squid invisible to predators, scientists say.
Zebra finches use a different part of the brain for random babbling than the one used to create adult calls, a find that could give new insight into how human infants learn to talk, a new study says.
An electrochemical alloy sent captive sandbar sharks dashing away from hooked bait, a find that could help reduce the millions of unwanted sharks snagged each year by longline fisheries.
Though out of range of human hearing, the shattering screams of tropical bats on the hunt in Panama are the loudest calls ever recorded by an airborne animal.
A colossal squid caught last year—thought to be the largest ever recorded—is giving scientists their first close look at the rare and elusive giant.
The widespread release of trout modified to be sterile has been given the go-ahead in England and Wales to give anglers sport while boosting the fortunes of native fish.
A rare squid caught last year off Antarctica's north coast has eyes about 11 inches (28 centimeters) across—bigger than dinner plates—say scientists who are now defrosting the beast.