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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Cowbird eggs in a house finch nest, courtesy Lindsay Arnold Chipping sparrow nests are known to be parasitized by brown-headed ...

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Cuckoo finches are bad news to other birds. They are brood parasites, meaning they lay eggs in other species’s nests to trick their victims into raising the finches’ children as their own. This kicked ...

When we think of glaciers, polar bears and penguins often come to mind. Finches are more associated with backyards than icy ledges, but one species found a way to survive one of Earth’s most extreme ...

Cuckoo finch egg in zitting cisticola nest. Cuckoo finch eggs closely mimic the colour and pattern of the eggs of each of their several host species, to trick host parents into accepting the parasitic ...

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Zebra finches sing a special song to their eggs to warn them about hot weather, and these calls seem to program the hatchlings’ cells to harness energy from food without creating excessive heat. This ...