I have one that's berserk llama. I put up with his nonsense because he's a good packer. He's NOT shy and aloof. He goes right in and nuzzles necks and faces. He's popular with the girls who love that sort of thing from a large animal and who don't know that he's not normal. I keep him in the lead, both to control him and for PR purposes. When someone wants to pet a llama, he's always good for it. At home in the pasture, though, I never take my eyes off of him. He gets too 'friendly' and could knock me flat if I don't get after him.
He has short ears. The only other time I've seen that is his sister.

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