The same Asp Viper (Vipera aspis) as last week, but with a different composition. On this photo the…

The same Asp Viper (Vipera aspis) as last week, but with a different composition.
On this photo the forked tongue is visible. The tongue of this Asp Viper has some interesting features. ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀ ⠀
A forked tongue is a tongue split into two distinct tines at the tip. Snakes have a complex receptor system built into their tongue. Snakes “smell” (sense chemicals) using the tip of their tongue, and a forked tongue allows them to sense from which direction a smell is coming. The tongue is flicked out of the mouth regularly to sample the chemical environment.
This increased ability to sense chemicals has allowed for heightened abilities to identify prey, recognize kin, choose mates, locate shelters, follow trails, and more.
When a snake follows the trail of its prey the difference in chemicals on their left and right tip can guide them in the right direction. ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀
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