We love them and pet them but when we try to take pictures, their eyes become tiny torch-lights and our well known pets look very fierce and alien to us. Dogs, just like cats and horses, have the ability to see in the dark and when a light is flashed on their eyes in the dark it starts to glow bright. The gleam in the eyes of the dogs is a natural phenomenon. They are natural hunters and hunt at night. It might seem eerie or even scary to you but the burning eyes of your dogs are just normal. Science explains the glowing dog-eyes perfectly.
glowing eyes
Why do animals’ eyes shine in the dark
It looks eerie and even sinister the way some animal’s eyes glow in the dark. When photographed their eyes look like small balls of green or golden fire. Some animals have red or orange tints as well. Many horror stories use this phenomenon to scare us but not many of us know that the shining bright eyes of the animals are a purely biological incident. The animals that have to perform necessary tasks at night, such as hunting, need to see in the dark. This way their chances of survival increases. Dogs and cats have been domesticated but still they are nocturnal hunters and need to see in the dark.
Why do cats’ eyes glow in the dark
Nature has created us in such a way that we can perform all our tasks with the given organs. Evolution has taken care of the fact that our changing requirements are met by our capabilities. Cats are nocturnal animals that prey when darkness falls. They need to see both in daylight and in dark nights. A cat’s eye glows in the dark or at night so that it can see its ways around and can catch a rat or hunt for food. Whether you possess a pet cat or not, you have probably noticed how the eyes of cats gleam and shine in the dark and felt curious.