What is the most convincing part of the Plains hognose snake's elaborate bluffing display?

Answer

Thanatosis, or playing dead.

After bluffing displays fail, the snake performs thanatosis, which involves writhing violently, rolling onto its back, and remaining motionless with its tongue out, attempting to signal it is inedible.

What is the most convincing part of the Plains hognose snake's elaborate bluffing display?

#Videos

Are Hognose Snakes Venomous? - YouTube

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