Koel is clever enough to lay eggs in a Crow's nest. Write the reason for this peculiar behaviour. Name the type of interaction.
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Brood Parasitism in birds is a fascinating example of parasitism in which the parasitic birds lays its eggs in the nest of its host and lets the host incubate them. During the course of evolution, the egg of the koel have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest.
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