Compared to humans, deer have terrible eyesight; if they were to take an eye exam, their vision would be 20/100. In other words, a deer can see 20 feet in front of it as if a person with perfect vision could see 100 feet.
Deer have a hard time seeing far in the dark because there’s less light. However, deer absorb more light than humans, giving them an advantage in low light conditions.
What Colors Can A Deer See?
Deer see blue and green wavelengths best but struggle with red and orange, making them red-orange color blind. They have about half the cones in their eyes compared to humans, which impacts their color vision, especially during the day and at long wavelengths.
What Other Senses Help Deer to See and Forage?
A deer’s keen sense of smell is crucial for its defense. They use their noses to find food, detect nearby animals, and alert others of danger.
White-tailed deer snort and pound their hooves to warn others of danger. They may also raise the white undersides of their tails as distress signals.
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