Disney: Lambert The Sheepish Lion
animated short released in 1952. It is narrated by Sterling Holloway.
Lambert, a lion cub, is mistakenly delivered in a flock of sheep by a stork. He is taken in by a ewe after none of the delivered lambs choose her to be their mother. Lambert lives his life thinking he is a sheep until he is forced to unlock his true nature to defend the flock from an attack by a hungry wolf.
On a trivia note, the original print of the film was given as a gift to Emperor Hirohito of Japan because it was reportedly his favorite Disney cartoon
This short provides examples of: