Human eyes: three types of cone cells: red-, green-, blue- sensitive
Crow eyes: red, green, blue, violet- sensitive cone cells + oil droplets on each cone cell, can see ultraviolet
Next: Crows diet
Human eyes: three types of cone cells: red-, green-, blue- sensitive
Crow eyes: red, green, blue, violet- sensitive cone cells + oil droplets on each cone cell, can see ultraviolet
Next: Crows diet