April 16, 2022

Green eggs and scam: Cuckoo finch's long con may be up

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2022-05-14 20:30:10

April 16, 2022

by Pierre Celerier and Daniel Lawler

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 scam.

The cute yellow appearance of the cuckoo finch belies its nefarious nature: it smuggles its forged eggs into foreign nests, where unwitting foster parents treat them like their very own.

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