This guy is WAY more composed than I would've been...



And I believe that is the exact sound of someone's heart leaping into their throat.

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Update:

More fun videos. Make sure your sound is on.

You've probably seen Dramatic Prairie Dog:


But have you seen Dramatic Lemur?:


One of my daughter's teachers showed this one in class. Urban legend has it that if you look closely behind the car as it goes, there's a slight misty thing that might be a ghost.