Jack, the loveable sheep in this video, has convinced himself that he is a dog. Instead of grazing like his fellow sheep, Jack fetches sticks, tries to bark, and even arrogantly herds his sheep brethren. It's like a 'Far Side' cartoon come to life!

Jack's owner, Alison Sinstad, encourages this bizarre behavior by walking the sheep around on a leash. And while you can't teach an old dog new tricks, Jack  has learned to shake hands and sit on command.

However, one thing Jack can't overcome is his primal urge to eat grass. You know, because he's a sheep. Not a dog. Watch this strange tale of species-confusion below.

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