Assertion: emperor penguin's predator | /r/HasProperty | antarctic giant petrels
Facets:
Source sentences:
text: The predators that pose a threat to emperor penguins in the wild; include sharks, killer whales, seals and birds -- such as Antarctic giant petrels.
text: The natural predators of this species include Killer whales, sharks, leopard seals, Antarctica giant petrels and skua.