Summary
WASHINGTON California ground squirrels have learned to intimidate rattlesnakes by heating their tails and shaking them aggressively.
Because the snakes, which are ambush hunters, can sense infrared radiation from heat, the warming makes the tails more conspicuous to them signaling that they have been discovered and that the squirrels may come and harass them, explained Aaron Rundus, lead author of a study in this week's online edition of Proceedings of the National Academy of Sciences.See the full content of this document
Extract
Squirrels' Tail Trick Confounds an Enemy
The tail "flagging" places the snakes on the defensive, he sa...
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