Rhonda Fletcher

Dirt at the bottom of a lake bed in America's oldest national park sheds light on the massive herds that once roamed the west.

This small, gregarious bat once covered the Caribbean Island-nation of Cuba but is now close to extinction

Recent photographs chronicled a modern-day wildlife friendship between two apex predators that defied credibility.

These beloved creatures have a storied past that includes fur and four legs, but now, are some of the largest marine mammals in the world's oceans

Billionaire puts his love of art to good use, auctioning a beloved Dutch masterpiece for big cat conservation

A curious and quiet South American fox discovered by Darwin is on the brink of extinction if science cannot find a way to help

These behemoth deep-sea scavengers, because of their ten 18-foot leg span and crusty shell, are bigger than some city sedans.

A Meeteetse, Wyoming, ranch dog can be credited (sort of) with the revival of this highly specialized weasel-like mammal.

This rare dolphin turns pink for a variety of reasons, but one outshines the rest

At the base of the Grand Teton Mountain range, a new fish species tinged with green was identified as separate from its blue brethren.

In the creepy crawly world of spiders, this gargantuan South American arachnid cousin has a set of fangs that would make Dracula envious.

Named after the male whose tail feathers resemble an ancient musical instrument, these creatures are the pride of the Australian rainforest.

A rare venom-spraying creature delivers a dual punch to predators and prey in the rainforest regions of west-central South America

A prehistoric feathered throwback that stands five feet tall, this apex predator easily swallows its younger siblings, and baby crocodiles.

This strange and mesmerizing sea creature can age in reverse when times get tough, in a move that would make Benjamin Button proud.

This apex predator roams the world's oceans and has developed an appetite for the livers of the largest and scariest fish in the sea.

Measuring only five inches long, this squat, scaly lizard has developed a unique defense that surprises coyotes, wild cats, and even snakes

A true master of disguise, this bottom-dwelling sea creature morphs into countless marine animals to fool nearby predators

This talkative animal has a vocabulary that rivals any five-year-old and loves crackers for breakfast, dinner, or as an afternoon treat.

Zoo animals have been known to have everything from dry eyes to sensitive skin to food intolerances. Their wild cousins, not so much. But why?