- Nisaetus nanus
Spizaetus nanus
Identification
43–58 cm (17-22¾ in)
- Rufescent sides of head with blackish streaks
- Dark crest broadly tipped white
- Three dark bands on tail
- Buffish-white base to underside flight feathers
- Warm buffish coverts with narrow dark barring
Distribution
South-east Asia: found from Myanmar to the Malay Peninsula, Borneo, and Sumatra.
The subspecies stresemanni is only found on the Nias island off of Sumatra where it is possibly extinct.
Taxonomy
Photo © by Jason Bugay Reyes
Kinabatangan River, Sandakan Division,
eastern Sabah, Malaysia, 17 July 2024
Kinabatangan River, Sandakan Division,
eastern Sabah, Malaysia, 17 July 2024
It was formerly placed in the genus Spizaetus.
Subspecies
Two subspecies are recognized[1]:
- N. n. nanus:
- Southern Myanmar and Thailand to Malay Peninsula, Sumatra and Borneo
- N. n. stresemanni:
- Nias Island (off western Sumatra)
Habitat
Evergreen rain forests, oil palm plantations, peat swamps and riverine forests.
Behaviour
Diet
It is thought they may specialise in birds, but their prey seems to include bats, squirrels, lizards, skinks and rats too.
Gallery
Click on photo for larger image
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
- BirdLife International
Recommended Citation
- BirdForum Opus contributors. (2025) Wallace's Hawk-Eagle. In: BirdForum, the forum for wild birds and birding. Retrieved 17 March 2025 from https://www.birdforum.net/opus/Wallace%27s_Hawk-Eagle
External Links
GSearch checked for 2020 platform.1
