Linked from
The 18 pages that link to Claw, each with the reason it gives.
BurrowingRelated: Claws can loosen and move substrate during limb-driven digging.
FossorialityRelated: Broad, strong claws can act as excavation tools in scratch-digging species.
ArborealityRelated: Claws can provide traction on bark and help animals climb.
American black bearRelated: Its strong, nonretractile claws help it climb, dig, and handle food.
ColugoRelated: Colugo claws help it grip tree bark while climbing and resting.
MegatheriumRelated: Its large claws may have helped grasp vegetation and provide defense.
Tree-kangarooRelated: Tree-kangaroo claws provide purchase on bark during ascent and descent.
Sun bearRelated: The sun bear's long claws help it climb and open tree trunks for insects.
NuthatchRelated: Strong claws help nuthatches hold onto trunks while moving in multiple directions.
TamanduaRelated: Powerful foreclaws open insect nests and can also deter predators.
ChalicotheriidaeRelated: Chalicotheres retained claws where most perissodactyls evolved hooves.
Crab louseRelated: Its enlarged claws grip coarse hairs, helping it remain attached.
Pygmy marmosetRelated: Claw-like nails help pygmy marmosets cling to trunks while feeding.