Almost every animal has a tongue, And EVERY mammal has a tongue.
No animal truly sweats from its tongue, but some animals do pant to cool themselves in place of sweating. One animal that is known for this is a dog.
Hind leg, flank, back leg, or rear leg.
Dog
Crocodile
Snake.
Dog
Crocodiles.
crab
Everyone's tongue is in their mouth even an animal and it is always wet.
Okapi.They Cant With There Tongue But They Can With There Foot ! :)
They are looking for heat signatures from a animal. The tongue tells them what is around them.