The lamb raised alongside springer spaniel who thinks he’s a canine:

By JESSICA SATHERLEY

A sheep that was rescued as a lamb and brought up with a springer spaniel is now convinced he is a sheep dog.
Jack is so sure he is a canine he fetches sticks, wears a collar and a lead, jumps up on his hind legs and even tries to bark.
The six-month-old pet doesn’t even recognise his own species and tries to herd sheep when he is put in the field with the rest of the flock.

Read more here (photos too and a video)