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- Accipiter castanilius
Length 30-36 cm.
Dark upper parts with three white tail spots. Throat white (barred ruface on female), breast and belly white with rufous bars, flanks chestnut, and vent white. The eyes, cere and legs are yellow.
Subspecies beniensis is not recognised by all authorities.
- Clements, JF. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
- Sinclair I & Ryan P. 2003. Birds of Africa south of the Sahara. Princeton University Press. ISBN 0620207299
- BirdForum Opus contributors. (2021) Chestnut-flanked Sparrowhawk. In: BirdForum, the forum for wild birds and birding. Retrieved 12 April 2021 from https://www.birdforum.net/wiki/Chestnut-flanked_Sparrowhawk