Answer:
A bear!. Bear claws are like our finger nails, but much longer,
harder, and sharper.
Claws help
bears mark or climb trees, tear apart rotten logs to eat ants, and dig
in the ground for rodents and edible roots.
Grizzly
bears have claws much longer than black bears, so they are better
diggers, but black bears are better tree climbers with their shorter
claws.

Grizzly Claws |

Black Bear Claws |
To learn
more about the difference between grizzly bears and black bears, you
can take a pretend bear identification training and test at http://fwp.state.mt.us/bearid

Grizzly Bear