The copperhead, Agkistrodon Contortrix, has a similar pattern, and may even vibrate its tail when threatened, as do cottonmouths, Agkistrodon Piscivorus..Both are in the Pit Viper family, sub family Crotalinae, along with the rattlesnakes.
There is no powder on a rattlesnake's rattle so the answer is no.
They rattle
The Arizona black rattlesnake is black and has a rattle.
it shakes its tail
Rattle and fangs
yes
No. The rattle is made up of skin. Each time the snake sheds, another rattle gets added to it.
No, the "rattle" does not have any thorns on it.
There is nothing inside the rattle, it is hollow.
A rattlesnake's rattle is made of leather and scales.
It is built up of layers of dead skin
The rattle snakes belong to the phylum 'Chordata'