Did Ozzy Osbourne actually eat a bat?

I've heard he bit off a bat's head.

I've heard he bit off a dove's head.

I've heard he pissed on the Alamo and got banned from Texas.

I've heard he eats live bats.

What is true?
What isn't?
Any more crazy Ozzy facts?
Update: wow ozzy! lay off the drugs, man... thanks eveyone!
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