It might be a camouflage by contrast mechanism wherein the predator is focused on the white tail so much that the rabbit can just sit down to hide the white tail and is no longer visible to predator. I have noticed that my cocker spaniels, and this is quite likely true for other predators too, are excellent at detecting motion but no good at picking out a rabbit that is sitting motionless, barring of course the scent. But then the wily rabbit has a few tricks for that too.
So that while lying down in the grass, they can still hear if danger approaches.
it is because they were born that way
A hare is like a larger rabbit. Their tails are short but not as 'fluffy' as a rabbit and/or bunny.
It is a rodent that stand on it's hind legs, like a kangaroo, and has large, strong feet. The Spring Hare's head looks like a squirrel's, and it has a long, fluffy, tail with a black tip. It's about the size of a squirrel too.
sa queue est moelleux et blanc "Its tail is fluffy and white"
type in the password fluffy bunny
it looks like a bright blue shaved testicle
no it is called a plain old tail
It is fluffy and ginger and long.
Rabbit or hare.
a folojopop is a flying dog with horns and a fluffy tail
A short, erect tail is called a scut. Hare, rabbit and deer have this type of tail.
The name of the short tail of a rabbit, hare, or deer is known as a SCUT xx
Squirrels are small mammals with a bushy tail.