PhysOrg Posted August 13, 2014 Share Posted August 13, 2014 Cuckoos aren't the kind of parents you'd want. They never raise their young ones, leaving that job to other birds. They achieve this by laying their eggs in other expectant birds' nests, who treat them as their own and take on parenting duties. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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