The echidna has spines like a porcupine, a beak like a bird, a pouch like a kangaroo, and lays eggs like a reptile. Also known as spiny anteaters, they're small, solitary mammals native to Australia, ...

Knuckles from the Sonic the Hedgehog games is supposed to be an echidna, one that flies around like Superman and runs so fast its legs become blurs. “Knuckles is a cool guy with a bad attitude,” ...

Native to New Guinea and Australia, these animals are the size of a house cat but a whole lot stranger: tiny toothless mouths, quill-like hairs...and multiheaded genitalia. The penile shaft has four ...

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." The echidna is often ...