OBLIGATE BROOD PARASITES AS SELECTIVE AGENTS FOR EVOLUTION OF EGG APPEARANCE IN PASSERINE BIRDS

@inproceedings{Stokke2002OBLIGATEBP,
  title={OBLIGATE BROOD PARASITES AS SELECTIVE AGENTS FOR EVOLUTION OF EGG APPEARANCE IN PASSERINE BIRDS},
  author={B{\aa}rd G Stokke and Arne Moksnes and Eivin R{\o}skaft},
  booktitle={Evolution; international journal of organic evolution},
  year={2002}
}
Abstract Many passerine host species have counteracted the parasite egg mimicry in their coevolutionary arms race with the common cuckoo (Cuculus canorus) by evolving increased interclutch and reduced intraclutch variation in egg appearance. Such variations make it easier for hosts to recognize a foreign egg, reduce the possibility of making recognition errors, and reduce the ability of the cuckoo to mimic the eggs of a particular host. Here, we investigate if such clutch characteristics have… 
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  • Biology
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TLDR
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Host-Parasite Arms Races and Rapid Changes in Bird Egg Appearance
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Coevolution in Action: Disruptive Selection on Egg Colour in an Avian Brood Parasite and Its Host
TLDR
The parrotbill-cuckoo system constitutes a clear outcome of disruptive selection on both host and parasite egg phenotypes driven by coevolution, due to the cost of parasitism in the host and by host defences in the parasite.
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