Congratulations, you’ve raised a cuckoo!

Astonishing.  I will never see a cuckoo the same way again.

via the California Science Center

Would you notice if someone added their own child to your family, even if that baby looked just like your family members? Cuckoo birds have evolved to fool other birds into being foster parents by doing just that.

Cuckoos lay eggs closely resembling other birds’ eggs in the nest of the hosts, then let the foster parents do all the hard work of caring for the eggs. After the cuckoo chick hatches, it shoves its nest mates out and dominates all the host parent’s attention.


One Comment on “Congratulations, you’ve raised a cuckoo!”

  1. […] 19, 2011 | Author: Doug F. | Filed under: Uncategorized | Leave a comment » Back in March I posted about the parasitic nesting habits of cuckoos, which lay their eggs in other bird species’ […]

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