Question

give reasons penguins live together in large numbers​

Answer 1

Many species of penguin spend most of their lives with large groups of other penguins. A large group of penguins is called a rookery. They do everything together: eating, swimming, hunting and nesting. In Antarctica, where it's very cold, emperor penguins will huddle together to stay warm in the frigid winds. Penguins have a unique voice or call that they use to find their mates and chicks in large groups of sometimes a thousand penguins or more!

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