How would giant penguins affect the arctic/Antarctic ecosystem?

So, I was reading about the Colossus Penguin and was wondering how adding them to my world might affect the arctic ecosystem in my world? Obviously, they would need to eat a lot of fish, squid, and krill but how much more would they need to consume than an Emperor Penguin? Also, would they affect the sizes of sharks and seals? I read that another species of giant penguin in our world the Kumimanu started dying out with the rise of killer whales and seals.

So, how would a species of giant penguins effect both the population of the krill, fish, and squid they eat, as well as the animals that prey on the giant penguins?

posted over 5 years ago

yukimoda‭

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