Pit viper ‘vi­sion’

BBC Wildlife Magazine - - SKIN -

Hav­ing good vi­sion is great but in a trop­i­cal rain­for­est, where con­di­tions are of­ten dark and dap­pled, hav­ing an ex­tra way to ‘see’ the world would def­i­nitely give you a com­pet­i­tive edge. Pit vipers have spe­cialised pits in the skin around their nos­trils, which are able to de­tect heat sig­na­tures from pos­si­ble prey or po­ten­tial preda­tors. The viper is able to home in on par­tic­u­lar hotspots and can strike when close enough.

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