Pale-bellied white-eye south-east of Sulawesi in Indonesia. The Wangi Wangi white-eye has a number of differences from the pale-bellied white-eye including larger size, a black body, a long yellow beak, a gray breast and pale feet. Like most white-eyes it has a white ring around the eye and green upperparts. Pale-bellied white-eye The pale-bellied white-eye ("Zosterops consobrinorum") is a species of bird in the Zosteropidae family. It is endemic to Sulawesi in Indonesia. Its natural habitat is subtropical or tropical moist lowland forests. The species has a limited distribution and also appears to be sensitive to human disturbance. Although not yet recognized
Cooperative eye hypothesis Cooperative eye hypothesis The cooperative eye hypothesis is a proposed explanation for the appearance of the human eye. It suggests that the eye's distinctive visible characteristics evolved to make it easier for humans to follow another's gaze while communicating or while working together on tasks. Unlike other primates, human beings have eyes with a distinct colour contrast between the white sclera, the coloured iris, and the black pupil. This is due to a lack of pigment in the sclera. Other primates have pigmented sclerae that are brown or dark in colour. There is also a higher contrast between human skin,