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How are young cuckoos reared?
A female cuckoo lays an egg in the nest of another bird and takes away one of the host's eggs to make room for it. The host bird has the task of feeding and rearing the young cuckoo. As it grows up, the young cuckoo pushes the host bird's eggs and young from the nest. By the time it is ready to leave the nest, the young cuckoo may be several times the size of its long-suffering foster parent.
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Best Ever Q&A
Section:
Nature
Chapter:
Animal Behavior