Rattlesnakes fangs fold back into the roof of the mouth when not in use.
Yes it has special sensors and tasters on the roof of its mouth.
They smell with the roof of their mouth called Jacobson's Organ.
they seldom bathe!
Cats have a special gland on the roof of their mouth that allows them to 'taste' the scent, letting them smell it better. So in a sense they are. I am sorry I cannot remember what it is called and I can't find it.
It's the Jacobsons Organ
A snake uses its forked tongue to collect scents and then flicks them into the Jacobson's organ on the roof of the mouth.
Copperheads This is, in fact, myth. Copperheads do not smell like cucmber and rattlesnakes do not smell like watermelon.
The Palatine bone forms the posterior roof of the mouth.
They can sense infra-red radiation from warm-blooded animals.They have moderately good vision.They are very sensitive to vibrations traveling through the ground.Their forked tongues can sample the air for very low concentrations of scents that are interpreted by the Jacobson's Organ in the roof of the mouth to provide a directional sense of smell.
Copperheads This is, in fact, myth. Copperheads do not smell like cucmber and rattlesnakes do not smell like watermelon.
Anything it can fit in its mouth.