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This handout image released on April 14, 2022 by the University of Cambridge and University of Cape Town shows Cuckoo finch and host chicks. For two million years African cuckoo finches have been tricking other birds into raising their young by mimicking the colour of their eggs, but new research suggests the tables may be turning in this evolutionary game of cat and mouse. (Photo by Claire N. Spottiswoode/University of Cambridge & University of Cape Town/AFP Photo)
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