When young Charles Darwin set out on the Beagle, near the top of his wish list was a rare and coveted bird: the lesser rhea. The bird had been... Darwin's Very Bad ...

An ostrich-size South American rhea that's reportedly capable of "seriously injuring humans" escaped from a farm in Hertfordshire, U.K., last month and has been on the lam in the English countryside ...

Combine your favorite rodent species into one animal, and you might get something that resembles a mara. The mara, endemic to Patagonia, has the body of a rabbit, but smaller ears, longer legs, and ...

Discover the lesser rhea (Rhea pennata), a flightless bird of the pampas, and learn about its unique feathers. “Not beautiful without makeup”: these Chinese women show off their natural looks Doorbell ...

An ostrich-size South American rhea that's reportedly capable of "seriously injuring humans" escaped from a farm in Hertfordshire, U.K., last month and has been on the lam in the English countryside ...