22 June 2001

Pigs recognise peoples faces

PIGS may be able to tell people apart by their faces, according to a study reported in New Scientist.

The magazine says Hajime Tanida of Hiroshima University in Japan trained pigs to approach a person wearing overalls, gloves and boots by rewarding them with food.

The feeder and an identically dressed person were then sat behind waist-high screens and individual pigs were given the choice of who to approach.

Even when researchers scents were masked with perfume or their faces partly hidden, pigs still approached the original feeder. &#42