1 Their growl warns other males to keep away from their cubs and the lioness. 2  Lions hunt in packs sometimes. 3  It increases their opportunity to catch prey. 4  They use there claws to rip and tear prey's flesh and meat. Their powerful hind legs help them run fast so they can catch their prey. 2  Their growl warns other males to keep away from their cubs and the lioness. 3  Lions hunt in packs sometimes.
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