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#koel bird #brood parasite #cuckoo egg #crow nest #bird behavior

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#brood parasite #cuckoo egg #nest parasitism #bird behaviour #foster parent #egg dumping

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#brood parasite #cuckoo egg #nest parasite #host nest #laying eggs #cuculus micropterus

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#sneaky bird #cuckoo egg #brood parasite #hidden egg #cuckoo behavior