Protection for polar bears – including a ban on trade in their fur and parts – was rejected at a conference of the Convention on International Trade of Endangered Species (CITES).
For more than 50 years, Ann van Dyk has championed cheetahs.
An effort to save the axolotl – a type of salamander – is also a bid to preserve an ancient culture.
Some Florida neighborhoods are overrun with peacocks, but not all agree that the colorful birds should be removed.
Monarch butterflies will find fewer roosts in their winter home because of hungry bark beetles.
After decades on the US Endangered Species list, American brown pelicans have made a comeback.
Cats are known as hunters but when coyotes come on the scene, cats who go outdoors become the prey.
Orcas are very susceptible to pollution, due to their place at the top of the ocean food chain. But little is known of their habits since they're hard to track.
In Texas, neighbors experiment with oyster gardening to help rebuild reefs damaged by Hurricane Ike.
Palm oil is in everything from fuel to cosmetics. Is it a solution or a problem?
Social networks help raise money to save the endangered mountain gorilla.
A new study shows that the butterflies' antennae are key.
The tiny Pacific nation is fighting to protect more than 130 species fighting extinction in the Pacific Ocean.
Photos reveal the first sighting of the elusive seabird, the Fiji petrel.
The big cats need plenty of space, which can put them in conflict with expanding development in the state.
A survey of more than 100 ponds found that the number of frogs has declined in Australia's second-largest city.
Warmer temperatures have allowed the Duke of Burgundy butterfly to flourish this year.
New scientific discoveries about plants and snails.
Scientists look at why the numbers of caribou are declining.
Beekeeping gains in the concrete jungle, despite some concerns.
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