- Harpagus diodon
29–35 cm (11½-13¾ in); shortish wings and a longish tail
- Slate-grey upperparts
- Pale-grey underparts
- Rufous thighs
- Rufous wing-linings
Double-toothed Kite is a big cause of misidentification.
Primary lowland rain forests.
The diet consists mostly of insects, particularly cicadas, small birds and lizards.
This seems to be a migrant breeding in austral summer in Atlantic Forest of Brazil as well as in eastern Bolivia (cerrado areas) and vacating the southernmost part of this range in austral winter which is spent in Amazonian areas.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved Dec 2017)
- Areta and Juhant writing in Ibis
- BirdForum Opus contributors. (2021) Rufous-thighed Kite. In: BirdForum, the forum for wild birds and birding. Retrieved 13 May 2021 from https://www.birdforum.net/wiki/Rufous-thighed_Kite