Worthless Fact: Brood parasites, lay their eggs in another bird's nest and let another bird parents feed and raise their chicks. The "egg abandoner" is then free to mate again and lay more eggs in another nest. The cuckoo the proper known brood parasite and a professional in the ability of cruel deception. Its strategy involves stealth, surprise and speed. The mother removes one egg laid by the host mother, lays her own and flies off while using host egg in her bill. The full process takes barely ten seconds. Cuckoos parasitize the nests of a big many types of bird species and carefully mimic the colour and pattern of their own eggs to match that of their hosts. Each female cuckoo specializes using one particular host species. The way the cuckoo seems to lay eggs to imitate each host's eggs so accurately is one kind of nature's main mysteries.
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