Whipsnade ' s baby bear lives on tinned milk . Condensed milk is the staple diet of the Whipsnade Zoo ' s baby bear , now three months old . The Zoo authorities are taking great care of the baby , whose mother is Mary , one of Whipsnade ' s most popular inmates and it has not yet been allowed into public view . Photo shows , Whipsnade Zoo ' s baby bear laps his milk out of the tin under the supervision of his mother , Mary . 31 March 1936