#10 The description of the owl bird shows how different they are.
Owl sizes vary greatly. There are especially small owls up to 20 centimeters (passerine owls) and very large ones up to 75 centimeters in height and up to 4 kilograms (Eagle-owl).
#11 Usually, the body of an owl has a large number of dense feathers with a thick downy pillow under them.
The color differs according to the type of bird. Currently, 420 variants of the color of the owl are known.
#12 For example, an eagle owl has the ability to change its color depending on its habitat.
The strongest owlets begin to adapt to the environment, the weakest go to feed for birds of prey.