Opossums Don't Play Around
Opossums can't "play dead" on demand; it's an involuntary defense mechanism kicked in when they are scared. First, they will make a horrifying screech. If the predator isn't scared away, the opossum will become paralyzed and appear completely dead.
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Key Facts In This Video
Opossums are the only marsupials native to North America. (0:25)
Opossums have two-pronged penises. (1:08)
When "playing dead," opossums will peel their lips back, foam at the mouth, and give off a noxious odor from their anal glands. (2:00)