Reindeer's blue eyes act as night vision goggles to help them find food in winter
Reindeer have a special form of night vision that allows them to see clearly in the dark and find food in snowy landscapes.
The color shift in their eyes from golden-orange in summer to a blue hue in winter helps them transmit and detect ultraviolet light, which is abundant in snowy environments. [ more ]
Reindeer's blue eyes act as night vision goggles to help them find food in winter
Reindeer have a special form of night vision that allows them to see clearly in the dark and find food in snowy landscapes.
The color shift in their eyes from golden-orange in summer to a blue hue in winter helps them transmit and detect ultraviolet light, which is abundant in snowy environments. [ more ]