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Mountain Serin - BirdForum Opus

This may be an undescribed subspecies, showing red instead of yellow in the plumage
Photo © by julienl
Lore Lindu National Park, Sulawesi, Indonesia, May 2018
Chrysocorythus estherae

Serinus estherae


11–12 cm (4¼-4¾ in)

  • Whitish around the eye
  • Yellow forehead and lower side of crown
  • Yellow wing bars and rump


Indonesia and the Philippines.


Previously placed in the genus Serinus


Five subspecies recognized[1]:

  • C. e. vanderbilti in the mountains of northern Sumatra
  • C. e. estherae in the mountains of western Java
  • C. e. orientalis in the Tengger Mountains (south-central Java)
  • C. e. renatae in the mountains of Sulawesi
  • C. e. mindanensis in the southern Philippines (Mount Katanglad and Mount Apo on Mindanao)


Upland grasslands and meadow dominated by heather.



There is little known about their diet, but they probably eat a variety of seeds and small fruit. They forage on the ground or in low bushes.


  1. 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/
  2. Gill, F and D Donsker (Eds). 2015. IOC World Bird Names (version 5.3). Available at http://www.worldbirdnames.org/.
  3. Dickinson, EC, ed. 2014. The Howard and Moore Complete Checklist of the Birds of the World. 4th ed. Princeton: Princeton Univ. Press. ISBN 978-0956861122
  4. Handbook of the Birds of the World Alive (retrieved July 2018)
  5. Taxonomy thread regarding possible undescribed subspecies at Lore Lindu

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