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Birds Evolved Distinctive Patterns To Identify Cuckoo Eggs From Their Own
2014-06-19 03:13:09

University of Cambridge For some birds, recognizing their own eggs can be a matter of life or death. In a new study, scientists have shown that many birds affected by the parasitic Common Cuckoo - which lays its lethal offspring in other birds' nests - have evolved distinctive patterns on their eggs in order to distinguish them from those laid by a cuckoo cheat. The study reveals that these signature patterns provide a powerful defense against cuckoo trickery, helping host birds to...


Word of the Day
ramage
  • Boughs or branches.
  • Warbling of birds in trees.
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