Newly-hatched ducklings are known for “ imprinting ,” or latching on to the first thing they se...  ...hey know who to follow and who will protect them. Imprinting is considered to be instinct, and ducklings have...  ...ot their mother. A recent experiment hijacked the imprint...

Walnut is a white-naped crane, a highly endangered species. She is part of a “security population” of breeding cranes in captivity to keep crane genetics in existence if the wild population fails. But Walnut...