Ruru eyes are adapted to see well in the dark. The adaptation means ruru eyes don’t swivel in the socket like human eyes, and this is why they can swivel their heads 270 degrees!
Photo by Rod Hay.
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Ruru eyes are adapted to see well in the dark. The adaptation means ruru eyes don’t swivel in the socket like human eyes, and this is why they can swivel their heads 270 degrees!
Photo by Rod Hay.