there are no mustilids in Antarctica but in warmer areas they might've been introduced and could be a threat.
Seals.
Seals are penguins enemies.
polar bears
Buffalo
Yes
They look out for enemies.
little boys
Yes, they do. The are Mustelids, and all mustelids have them.
the Emperor penguins enemies is the killer whale and striped seal
No, polar bears live in the Arctic (north) and penguins live in the Antarctic and other places only in the Southern Hemisphere. So they are not enemies.
emperor penguins enemies are a killer whale and leoperd seal
this is around but penguins enemies are killer whales, and sharks they protect themselves by sliding into holes, jumping into the water, and sliding down ice hills away from ledges.