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
Eye tracking Eye tracking Eye tracking is the process of measuring either the point of gaze (where one is looking) or the motion of an eye relative to the head. An eye tracker is a device for measuring eye positions and eye movement. Eye trackers are used in research on the visual system, in psychology, in psycholinguistics, marketing, as an input device for human-computer interaction, and in product design. There are a number of methods for measuring eye movement. The most popular variant uses video images from which the eye position is extracted. Other methods use search coils or are based on