Species identification of sympatric cuckoo nestlings in a multiple-cuckoo system, China

  • YANG C
  • CAI Y
  • LIANG W
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Abstract

Interaction between a parasite and its host could lead to a co-evolutionary arms race. Cuckoo-host system is among the most studied of all brood parasite systems, but the cuckoos of Asia, on the other hand, are much less well known. China has the most abundant cuckoo species in Asia. Many of these co-occur in sympatric areas, posing a potential risk of mis-identification of cuckoo nestlings, especially in Cuculus species. In this study we have provided a practical criterion to identify cuckoo nestlings species in the field and performed molecular phylogeny to confirm our empirical results. These results indicate that two distinct characteristics of cuckoo nestlings, i.e., the gape color pattern and feather traits can be considered as reliable species identification. To our knowledge, this is the first report for species identification of Cuculus nestlings through molecular analysis.

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YANG, C., CAI, Y., & LIANG, W. (2012). Species identification of sympatric cuckoo nestlings in a multiple-cuckoo system, China. Chinese Birds, 3(2), 108–112. https://doi.org/10.5122/cbirds.2012.0016

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