guano, while those eating fish leave behind white guano. The yolks of penguin’s eggs often are red denoting the consumption of krill. Although very near-sighted on land, penguins posses exceptional vision in the water. Their eyes, like the many sea animals, are attuned to the colors of the sea-green, blue-green, and violet. They need this excellent vision to avoid leopard seals and killer whales, which are their primary predators in the ocean. On land their arch enemies are skuas, large birds, which…
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