Wallace's Hawk-Eagle - BirdForum Opus

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Photo by Joe Pan
Sabah, Malaysia, August 2004

Nisaetus nanus

Spizaetus nanus

Identification

46 cm

• 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 of Sumatra.

Taxonomy

It was formerly placed in the genus Spizaetus.

Subspecies

Juvenile
Photo by horukuru
Gomantong Cave, Sabah, Borneo, November 2010

Two subspecies are recognized

• 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.

References

1. 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
2. BirdLife International

• List of references

Recommended Citation

• BirdForum Opus contributors. (2024) Wallace's Hawk-Eagle. In: BirdForum, the forum for wild birds and birding. Retrieved 17 June 2024 from https://www.birdforum.net/opus/Wallace%27s_Hawk-Eagle

External Links

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• View more images of this species on Orientalbirdimages