J. E. Gray, 1832,
Until recently considered conspecific with C. undulata, but differs in its black-tipped white vs all-white crown with white-based black vs all-black ornamental neck plumes (3); pale blue-grey vs finely peppered black-and-white foreneck base and breast in mature male (2); position of crown feathers in display, falling forward over bill vs sweeping up and back#R (2); vocal differences in display (sequence ends in series of notes rather than one single note)#R (2). Monotypic.
Middle East and Arabia E to Iran and extreme W Pakistan. Breeds also from NW Kazakhstan and NE Iran E to Mongolia and N China, wintering from Persian Gulf to Pakistan and NW India, and in C China.
Food and feeding
Status and conservation
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