![]() ![]() Why are Some Snakes Blind? Credit: Ken Griffiths/Getty Images We’ll be looking into 7 species of blind snakes, but first, let’s look into the factors that may lead to blindness in snakes. Some snakes like the boa constrictor have very good eyesight, some have lesser, and then there are the blind ones. Some snake species are hatched blind, and they have to live depending on all other senses. This seems to be consistent with some species, as they have only one cone cell. To some other experts, snakes see only in black and white. This limits the colors they can see compared to what humans can see.īeing dichromatic has its advantages for snakes, though not so much for humans.Ī human with dichromatic eyes is considered ill, but snakes see better than humans in dim-lit areas because of their dichromatic eyes. Snakes are dichromatic, which means they can see in two primary colors, blue and green. Simply put, trichromatic animals and humans can see in three primary colors. The primary difference in how humans see colors versus how snakes do lies in the terms “trichromatic” and “dichromatic”. However, they don’t see colors as humans do. Some experts believe that snakes can see colors. Can Snakes See Color? Credit: Animal Vivid Snakes also have some difficulties with seeing color, which we’ll look into next. They use scents, so if you want to own a snake, make sure it associates you with a good scent like food. This makes it hard for them to recognize people, and even pet snakes don’t easily recognize their owners. That said, snakes don’t top the list of strong eyesights in the animal kingdom. It may not notice the animal if it is dead. The radiation doesn’t make them see completely, but they can detect which living being is close by, especially prey. The heat sensor picks up radiations from a living animal using a membrane in “pit organs”, a hole in the faces of the snakes that have this ability. Some of them, like vipers, have a heat sensor that helps them navigate the dark. Nocturnal snakes rely on senses and vibration more than diurnal snakes. This is possibly why they are more active at night as they can’t see well during the day. ![]() Nocturnal snakes, however, have no filter. The diurnal snakes can see in detail, and have a filter that sharpens their visions. ![]() Their eyes are unique and correspond with their environment.ĭiurnal snakes see differently from nocturnal snakes. Snakes don’t see as humans do, or hawks, or insects, or any other animal. Wrap Up How do Snakes See? Credit: Pavel Hajer / 500px/Getty Images
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