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55-60 cm. resident race M. m. gonvinda, yellowish cere and legs, dark
brown plumage with shallow-forked tail. Distinguished from wintering
race M. m. lineatus by large and bluish grey cere, greyish legs.
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Resident race M. m. gonvida now very much reduced; on the verge on
extinction in Thailand. Recent breeder records are from Prachinburi (Khot
Chasan Munee Temple) and Ayutthaya (Bang Barn).