The eyes of a Cuban rock iguana, a gargoyle gecko, a blue-eyed black lemur, a southern ground hornbill, a red-eyed tree frog, a domestic goat, a western lowland gorilla, and a human This story ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

Seeing through one eye or many, in technicolour or black and white, few animals experience the world as we do. By analysing the properties of animals' visual systems, we can model what the world would ...

The black-footed ferret could also be called the black-eyed ferret because of the distinctive “stick-em up” mask that adorns its face. The tan ferrets also have black markings on their feet ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...