- Ara militaris
70–71 cm (27½-28 in)
- Red forehead
- White bare patch over eye (sometimes flushed pink) with dark lines
- Blue primaries
- Red tail with blue borders
- Greyish-black bill
- Yellow iris
There are 3 subspecies:
- A. m. mexicanus:
- Arid western Mexico (Sonora to Isthmus of Tehuántepec)
- A. m. militaris:
- A. m. bolivianus:
Dryish montane evergreen and deciduous forests, gallery forests and pine-oak woodland.
Their diet includes various fruits and figs, berries, seeds and nuts.
They nest in holes at the tops of trees. The clutch consists of 1 or 2 eggs which are incubated by the female for 26 days.
- 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 April 2016)
- BirdForum Opus contributors. (2023) Military Macaw. In: BirdForum, the forum for wild birds and birding. Retrieved 4 December 2023 from https://www.birdforum.net/opus/Military_Macaw