Leopard seals and killer whales.
Seals and whales
seals, and pelicans, and otters
The animal that preys on rattlesnakes is the king snake.
leopard seals preys on them and their prey is fish.
In the wild, the main animal that preys on bears is the gray wolf.
lizzards.
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spider
The Killer whale (Orcinus orca), the apex predator of the marine environment, preys on marine mammals such as seals, walruses, other whales, dolphins, porpoises, and even Polar bears. Plus lots of fishes of all sorts.
other sharks such as the great white shark or elephant seals
tigers,snakes.
Bobcats, Cougers, and Fishers