These are mostly animals with a very different digestion than other animals. They are mostly more simple organisms like snails, worms, a lot of sea-creatures etc.
Crocodiles.
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.
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.
First you have to sedate the animal then brudh the tongue with a brush and paste.