Humans and their canine companions share many close bonds. Wolves (Canis lupus) were the first animal domesticated by people, some time between 15,000 and 50,000 years ago.
The world's largest gorillas have been pushed to the brink of extinction by a surge of illegal hunting in the Democratic Republic of Congo, and are now critically endangered, officials said Sunday.
The mighty lion, reclusive cave crabs and the world's rarest sea lion are among nearly 23,000 species at risk of dying out, a top conservation body warned on Tuesday.
The humpback whale became the unofficial symbol for the conservation movement in the last century.
The federal government on Monday proposed removing most of the world's humpback whales from the endangered species list, saying the massive mammals have rebounded after 45 years of protection and restoration efforts.
Long considered an endangered species, green sea turtles in Florida and Mexico have bounced back and officials said Friday they are seeking to change the turtles' protected status to "threatened."
There are now more Mexican gray wolves roaming the American Southwest than at any time since the federal government began reintroducing the endangered predators.
About 2,500 manatees have perished in Florida over the last four years, heightening tension between conservationists and property owners as federal officials prepare to decide whether to down-list the creature to threatened ...
Extinction: the permanent loss of a species. It is deeply troubling—and scientists and birdwatchers are ringing the alarm about a bird species that only a few decades ago was widespread and very common.
Their scruffy beards weren't ironic, but there are reasons mammoths and mastodons could have been the hipsters of the Ice Age.