The polytypic group White-rumped Shama (White-crowned) Copsychus malabaricus stricklandii/barbouri is recognized as a separate species, White-crowned Shama Copsychus stricklandii, based on its distinct plumage and the demonstration of almost no nuclear admixture and introgression between the two forms despite a narrow hybrid zone (Lim et al. 2017).
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