- Macronyx grimwoodi
19·5–21 cm (7¾-8¼ in)
Wet short grass on plains, river valleys and drainage ditches.
Theire is little information available; they probably eat small insects such as beetles, caterpillars and grasshoppers.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved December 2015)
- BirdForum Opus contributors. (2021) Grimwood's Longclaw. In: BirdForum, the forum for wild birds and birding. Retrieved 19 April 2021 from https://www.birdforum.net/wiki/Grimwood%27s_Longclaw