
Malagasy Paradise flycatcher (male, white morph), Amber Mountain, Madagascar
I know the photo is very poor, it was far away and against the light. I'm still sharing it just for the spotting value. This is the white morph of the male, which usually are orange just like the female, yet have a longer tail. Color morphs within the same gender are very rare for birds, this article explains why:
http://ngm.nationalgeographic.com/ngm/0504/research.html

The Malagasy paradise flycatcher is a species of bird in the Monarchidae family. It is found in Comoros, Madagascar, and Mayotte. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical moist lowland forests.