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Question

Explain why, an owl can see well in the night (but not during the day) whereas an eagle can see well during day (but not at night ).

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Solution

Owls have extraordinary night vision, it is often thought that they are blind in strong light or day light. This is not true. Most nocturnal animals are largely inactive during the day to avoid over-stimulating their highly sensitive eyes (They have more rods and less cones and are very sensitive to light.). Nocturnal animals have specialized pupils to shut out damaging bright light. So, they are relatively inactive during day or in strong light area in the night.

Eagles have the ability to see colors more vividly than humans can. They can even see ultraviolet light and pick out more shades of one color. Their ability to even see the UV light allows them to see the bodily traces left by their prey. Mice’s and other small prey’s urine is visible to the eagles in the ultraviolent range, making them easy targets even a few hundred feet above the ground. You rarely see an eagle hunting at night because eagles do not have good night vision. Cones are a part of eyes that help eagles see better and see more colors.


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