Tiny frog takes giant leap for the world's endangered species

Humans have proven adept at wiping out vast numbers of animals. Can we atone by saving species through captivity breeding?When 200 captive-bred frogs were set free in an ancestral swampland in South Africa recently, their simple homecoming ceremony gave scientists several reasons to cheer loudly.The tiny Pickersgill's reed frogs - each the size of an adult thumbnail - were making history of a kind, by hopping one step further away from the abyss of extinction. Continue reading...