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.
A U.S. federal judge has ordered the Interior Department to decide within 16 days whether polar bears should be listed as a threatened species because of global warming.
Authorities are receiving several reports of pigeons found alive with metal darts through their skulls. An animal rights group is offering a reward for information about the assailant.
A limited range and specialist diet mean that the Arctic porpoise may be slightly more sensitive to habitat changes linked to global warming, a new report says.
The biggest squid ever caught has begun defrosting in a huge tank. Already it's yielding clues to the species' behavior and giant size, scientists say.
Later this year, cockfighting will be banned in Louisiana, making it illegal in all 50 U.S. states. But in the U.S. territory of Puerto Rico, it is a legal, thriving industry with more than a hundred licensed arenas.
