Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

Beatriz Swanson can remember the first time she saw the blinking glow. She was 10 years old, growing up in Mexico, when two fireflies appeared in front of her, floating away before she could carefully ...

Reports of salmonid fish decline are stark, with many populations and species listed as threatened or endangered. Salmonids are a large family of ray-finned fish.

Australian scientists have uncovered how the critically endangered Burrunan dolphin communicates, revealing unique sounds and vocal patterns.

Articles and videos about Brevard Zoo welcomes 'Khan' the jaguar as newest animal resident in effort to conserve species on ...

Lions have been dubbed the king of the jungle, but one could argue the real royalty are the trees, the massive woody beasts ...

This spring, the Florida Fish and Wildlife Conservation Commission completed a revegetation effort on Lake Okeechobee, ...

Discover 10 rare and lesser-known endangered wildlife species in India, each facing threats but holding vital roles in their ...

Kaziranga’s first grassland bird survey reveals 43 species, including endangered Finn’s Weaver, boosting conservation hopes.

A rare new resident has arrived at Edinburgh Zoo, and he’s already making quite the impression. Cipísek, a two-year-old sloth ...

India's vibrant ecosystems are home to extraordinary wildlife, such as the majestic Asiatic lion, the rare Sangai deer, and ...