Why does a cat have only four fingers? The cat has five fingers on the front foot and four fingers on the back foot. Moreover, one finger on the front foot is not on the same plane as the other four fingers. This is because during the evolution of a...
Why does a cat have only four fingers? The cat has five fingers on the front foot and four fingers on the back foot. Moreover, one finger on the front foot is not on the same plane as the other four fingers.
This is because during the evolution of animals, in order to run faster and more steadily and avoid being caught up by large animals, one of their fingers gradually began to move upwards, so that their feet could become streamlined.
If you look at the dog's front paws, you will find that there are also five fingers, but the thumb is small and very high, so you will not touch the ground when walking; the thumb of the rear paw will completely degenerate. The thumb deterioration of animals in the cat family's front paws is not obvious, perhaps because it is useful in dealing with prey, climbing trees, etc. The problem is as if there are no need for the front and rear fingers.
