The average life span of owls is 3-5 years. The owl, whose scientific name is owl, is called owl because its face looks like a cat. It is a nocturnal bird of prey of owliformes. The life span of an owl is proportional to its size. The smaller the size, the shorter its life span, and vice versa. Most species inhabit trees, and some species inhabit rocks and grasslands.
The vast majority of owls are nocturnal animals, lurking in the daytime and rising at night. They are not easy to see in the rock caves or eaves of trees during the day. However, some species, such as the spotted pygmy owl "xi" li ú ", the small striped belly owl and the eagle owl, are also restless and lonely during the day and often go out; The type of people who always travel at night, once they are active in the daytime, often flying and bumping is like getting drunk.
Owls mainly eat rats. They all have the habit of spitting "food pills". Their simple mumbles have digestive ability. They often swallow food in whole and form small lumps of undigested bones, feathers, hair, chitin and other residues in food. They spit out through the esophagus and mouth, called food pills, also called spit. Scientists can understand their eating habits based on the analysis of food pills.