Long treated as a race of a broadly defined C. cochinchinensis (which see), but differs in bill morphology and plumage details#R. Wing length in N (male 92–93 mm, two females 86 and 88) larger than in S (male down to 85 mm in Sri Lanka), but differences insufficient for subspecific distinction. Monotypic.
India S from S Gujarat (Gulf of Cambay), C Uttar Pradesh, Bihar and West Bengal, and Sri Lanka.
Food and feeding
Status and conservation
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