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Claw - Wikipedia, the free encyclopedia
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Claw
From Wikipedia, the free encyclopedia
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For other uses, see
Claw (disambiguation).
"Talons" redirects here. For the Bloc Party song, see
Talons (song).For the UK band, see
Talons (band). For the sports team, see
Tulsa Talons.
A domestic
cat's retractable claw in protracted position
A claw is a curved, pointed appendage, found at the end of a toe or finger in most
mammals,
birds, and some
reptiles. However, the word "claw" is also often used in reference to an
invertebrate. Somewhat similar fine hooked structures are found in
arthropods such as beetles and spiders, at the end of the leg or
tarsus for gripping a surface as the creature walks. Crabs' and lobsters' pincers, or more formally, their "
chelae", are sometimes called claws.
A claw is made of hard protein called
keratin. Claws are used to catch and hold prey in carnivorous mammals such as cats and dogs, but may also be used for such purposes as digging, climbing trees, etc., in those and other species.
Similar appendages which are flat and do not come to a sharp point are called
nails instead.
Claws of animals like tigers, lions, and bears were used in making items such as ornaments, pendants, and brooches. Tigers' and lions' claws are expensive because it is illegal to trade the parts of such protected animals.
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