Evolution of human colour vision that are found between 450 and 625. Individuals with various forms of colour blindness such as deuteranopia and protanopia are missing human middle wavelength sensitive or long wavelength sensitive opsins. Their minimum wavelength differences are <5 but only at around 500. Protanopes, who are missing long wavelength sensitive cones, are unable to distinguish between colours in the green-yellow-red section of the electromagnetic spectrum. They find yellow, red and orange colours to have much lower brightness when compared to a trichromat. The dimming of these colours can result in confusion in many cases, such as when attempting to identify red traffic
Pale-bellied white-eye 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 as a subspecies of the pale-bellied white-eye, in 2003 a similar bird was discovered near the village of Wanci on Wangiwangi Island and provisionally named the Wangi Wangi white-eye ("Zosterops sp. nov."). This island is its only known home and is part of the Tukangbesi Islands to the