There are about 36 species of rattlesnake and each have different patterns. Some have diamond-shaped markings, some have chevrons, etc.
There are many kinds of rattlesnakes with many different markings, but most of them have some sort of handsome "diamondback" markings down their backs.
Polygons, as in the pokemon.
See the image above. The snake has a rattle as well as a diamond-shaped pattern on its skin.
Skin off a rattlesnake.
No part of a rattlesnake is poisonous, including the skin. However, they do produce a venom that is dangerous if injected but not if consumed.
It is built up of layers of dead skin
dark coloured skin
they shed their skin when they get 2 big 2 fit. and if the skin is 2 old.
another rattle
Rattlesnakes do not have exoskeletons. Their skin may look chitinous but it is not an exoskeleton.
it moves between two stones to shed of their skins
No, the rattle's skin sheds off, not the rattle itself.
a baby rattlesnake has "a bud" at the end of it's tail. The bull snake has a tapered tail with the same type of skin.
The diamondback rattlesnake got its name from the diamond shaped pattern on its back.