The extra claw halfway up the back leg of some animals, particularly cats, is called a "dewclaw." Unlike the primary claws that are used for hunting and climbing, dewclaws are often thought to be vestigial and may not make contact with the ground during normal walking. In some breeds, dewclaws can be removed for various reasons, including to prevent injury.
The finger of a claw is called a digit. It is the part of the claw that is used for grasping or manipulation.
It's called the dew claw.
The claw of an eagle, hawk or any bird of prey is called a talon.
I think you must mean "an extra toe on the inside of hind leg"? Some breeds need this extra toe or "Dew Claw" for plowing through the snow, it gives them more dig in power such a the Burmese, Great Pyrenees, Saint Bernard, etc.
The claw.
A genetically different cat.
dinosaur that has been caled the terrible claw is deinonychus
a razor claw (you can find one in the extra part of victory road which a guy is blocking until you get the national pokedex)
claw
Chelipeds
No, a crustacean's claw is not called a telson. The telson is the terminal segment of the body in some arthropods, including crustaceans, but it is not a claw. Crustaceans typically have claws referred to as chelae or pincers.
its called a pincer