The senses of snakes are very precious to them. Most species don’t see well and they don’t have limbs. They use their long tongue that allows lets them pick up on various smells. Snakes can also tell which direction scents that they pick up are coming from. This can help them to go after their preys .
While snakes don’t have external ears they are still able to hear. They rely heavily on various types of vibrations that come all around them. They hear all the movements around them and this thing helps them to decide what to do.
There are species of snakes that have infrared vision too. This allows them to see the body heat of things around them. They can detect their location and their size.
They use their senses to help them determine when the temperatures are changing enough that they need to find a place for hibernating. They won’t do that the first chilly day that comes along. Instead, they will instinctively know by their senses when they need to slow down their metabolism for them to be able to survive until the warmer weather comes again.
Digestion can take a very long time for any snake, especially when they consume large meals. If they have a fear they will cause their bodies to expel the food. Then they can move again and get out of the way. This is a type of sense that prevents them from being unable to move as some form of predator or danger comes closer.
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