Zookeepers wear penguin disguises while caring for baby penguins (it's a sex thing)

Adventure World in Japan has a program raising emperor penguins.  In order to prevent parents from crushing babies, the staff cares for newborn chicks.  But to prevent chicks from imprinting on humans as their parents, which would discourage them from mating with other penguins when they mature, staff wear penguin disguises on their heads and one of their hands:

(Via Mulboyne.)