- Zosterops japonicus
10โ11ยท5 cm; relatively small songbirds
They have a slightly curved black bill extending from their yellow forehead. Silky white eye-rings, not always present in juveniles. Back color ranges from olive to dusky green, with blackish brown outlined in green covering the uppertail and the flight feathers. The underside of the tail and chin are yellow. Throat is mostly yellow. The middle of the breast and belly are yellow white with the rest of the underparts being pale brown. Legs and feet are black.
Japan, Korea, China, Taiwan, Burma and northern Vietnam.
Introduced to Hawaii and the most numerous bird in the main Hawaiian islands. Introduced birds are also found in California.
There are 9 subspecies:
- Z. j. yesoensis: Hokkaido (northern Japan)
- Z. j. japonicus: Main Japanese islands (Honshu to Kyushu)
- Z. j. stejnegeri : Izu Island (southern Japan); introduced to Bonin Island
- Z. j. insularis: Ryukyu Island (Tanegashima and Yakushima)
- Z. j. loochooensis: Iriomote (Ryukyu Island)
- Z. j. alani: Volcano Island (Iwo Jima and Minami-iwo-Jima)
- Z. j. daitoensis: Daito Island (Philippine Sea)
- Z. j. simplex: Western China to Burma, northern Vietnam and Taiwan; winters to Hainan
- Z. j. hainanus: Hainan (southern China)
Deciduous and mixed forests, thickets and open woodland.
Introduced to Hawaii in 1927, this beautiful green bird can be found all over the Hawaiian islands, from the wettest forest to the driest deserts.
Extremely energetic birds that are always on the move.
They eat insects of all kinds, nectar and fruit.
Extremely territorial when nesting. Nest can be at any height in any tree. Breeding season is long, from February to December.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2013. The eBird/Clements checklist of birds of the world: Version 6.8., with updates to August 2013. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved July 2014)
- BF Member observations
 External Links