No more Javan Plover? – Further mixing the Kentish Plover complex

The New Shorebirds Handbook Blog

The Kentish Plover have always have been the subject of taxonomical debates (e.g. Snowy Plover Charadrius nivosus split from C. alexandrinus) and research outcomes were not always popular among birdwatchers (e.g. confirming the ‘White-faced Plover’ to be conspecific with Kentish Plover, Rheindt et al. 2011).

Recent paper published in Biosaintifika found no evidence of genetic differences between Javan Plover and Kentish Plover (Ashari & Astuti 2017). There are slight morphological differences between the two ‘species’ but Javan Plovers’ traits are way less conspicuous compared to Kentish Plover than that of to the ‘White-faced Plover‘. Genetic distance was found to be much smaller (1.2%) than other plover species (8-14%). Kentish Plover is widely overlaping in winter range distribution with Javan Plover (del Hoyo et al. 2017). Interestingly, this study didn’t include Malaysian Plover (Charadrius peronii) among the control sister species which morphologically and geographically is not too far…

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