Anianiau (Magumma parva) コハワイミツスイ
The Anianiau is a small Honeycreeper endemic to Kauai. They like the understory of the forest and are hard to find. They also do not hold still for very long. The male above is bright yellow. Kauai 2007
A female Anianiau is greenish yellow. Kauai 2007
A juvenile Anianiau has some gray. Kauai 2007
Another juvenile Anianiau. Kauai 2007
I think that this is maybe a female Anianiau. Kauai 2008