Okapids are crepuscular and active in low light. Their large eyes improve light capture. This enhances night and dusk vision. It helps detect predators early. Dense forest limits daylight anyway. Vision is tuned to shadows.
This allows safer movement during quiet hours. Avoiding daytime activity reduces encounters.
It shows how eye size reflects lifestyle. Vision shapes behavior.
Okapids see better at dusk than in bright midday sun.
Natural History Museum (nhm.ac.uk)