- Cryptoleucopteryx plumbea
Dark slaty gray, tail black with one prominent white band
Subtropical or tropical moist lowland forests. It is threatened by habitat loss.
It is a species of forest interior which rarely soars.
This is a vocally distinctive species which among other things perform male-female duets.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2012. The eBird/Clements Checklist of Birds of the World. 6th ed., with updates to October 2012. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
- SACC proposal] for taxonomy including this species
- BirdForum Opus contributors. (2021) Plumbeous Hawk. In: BirdForum, the forum for wild birds and birding. Retrieved 14 May 2021 from https://www.birdforum.net/wiki/Plumbeous_Hawk