What bird croakes in the sky at night?

The bird croaking in the air at night is an owl.

Owls (collectively called owls) generally refer to owls. Xiāo (scientific name: Strigiformes) is a nocturnal raptor. The beak is strong and hooked, and the wax film at the bottom of the mouth is covered with bristles. The wings have different shapes, and the fifth accessory feather is missing.

Ear feathers around the ear holes help to identify sounds and locate them at night. Nest in tree holes or crevices. Owls don't sleep during the day, go out at night, and fly as quietly as ghosts. They often only see a fleeting shadow, which makes it easy for people who don't know much about their behavior to have all kinds of terrible associations.

There are some folk sayings in China, such as "Night owls come into the house and nothing comes" and "People who are not afraid of night owls are afraid of night owls laughing". He often regards owls as "ominous birds" and calls them ghost birds and mourning birds. In ancient books, he also called it a strange owl, a ghost car, a ghost or a rogue, as a symbol of bad luck and death.

The main reason for these views is that owls have a keen sense of smell, can smell people who are terminally ill and laugh. In many places, it is not superstitious to die within a few days after hearing the cry of owls, so owls are called mourning birds; In addition, the owl's cry in the dark is as gloomy and desolate as a ghost, which makes people feel even more horrible. In ancient times, it was called "a bird with a bad voice". There is a fable in Shuo Yuan Xiao Ming's Moving to the East: "When an owl meets a pigeon, it says: I will move, but the west hates my voice ...".