Six-month-old Jack fetches sticks, wears a collar and a lead, jumps up on his hind legs - and even tries to bark. Jack does not even recognise his own kind and tries to herd other sheep when he is in a field with them, reports The Sun.
Owners Alison Sinstadt, 48, and partner Simon Sherwin, 50, were stunned when Jack befriended their nine-year-old springer spaniel Jessie. Ms Sinstadt, who farms at Market Drayton, Shropshire, said: "He makes this strange half baa, half woof noise which everyone finds hilarious.
"Jack doesn't even recognise sheep as his own kind as he tries to herd them up when he's in a field with them."