Cuckoo Study NPR's Vikki Valentine reports Australian researchers have long wondered how one sort of cuckoo bird fools other birds into raising their young. Now, they're onto the cuckoo chicks' guise -- a begging call disarmingly similar to that of other hatchlings in the nest. The finding is reported in the current issue of the journal Nature.
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Cuckoo Study

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Cuckoo Study

Cuckoo Study

Cuckoo Study

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NPR's Vikki Valentine reports Australian researchers have long wondered how one sort of cuckoo bird fools other birds into raising their young. Now, they're onto the cuckoo chicks' guise — a begging call disarmingly similar to that of other hatchlings in the nest. The finding is reported in the current issue of the journal Nature.