Butastur teesa Franklin.
Circus teesa Franklin, P. Z. S., 1830-31, p. 115, Oct. 25, 1831 : between Benares and Calcutta.
Astur hyder Sykes, P. Z. S., July 31, 1832, p. 79,: Dukhun.
The Fauna Of British India, Including Ceylon And Burma-birds. Synonymy(second Edition)
Baker, EC S (1922–1930) The fauna of British India, including Ceylon and Burma. Second edition. vol.7 1930.
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