Sparrows are widely distributed in Eurasia, Europe, the Middle East, Southeast Asia and East Asia. This species is distributed throughout China. In Chinese mainland, sparrows are listed as "three big animals" and should be protected.
Sparrows are very small, only about 14 cm long, short and round, with typical characteristics of cereal eaters. The male and female sparrows are of the same color, the top of the head and the back of the neck are chestnut, the face is white, and there is a black block in the center of each cheek. This little black face is the key feature to identify sparrows.
Some studies have pointed out that the higher the status in the group, the larger the black area of the individual's throat and the fuller the black; The upper body is brown with black spots, and the flying feathers, kohane and primary feathers are dark brown; There are two dirty white wing spots; The tail feather is brown; The lower body is white; The iris is dark brown; The beak is conical, thick and black; Feet are pink and brown.
Extended data
Sparrows are passerine birds.
There are many species and numbers of passeriformes, which adapt to the radiation of various ecological environments. There are more than 5,400 species in 100 family, which is the most complicated order of birds, accounting for more than half of all bird species. China has 34 subjects.
Characteristics of passeriformes: the foot is off-toe, the first three toes are behind one, and the back toe is equal to the middle toe; Legs are thin and weak, and the scales at the posterior edge of tarsometatarsal often heal into a whole scale; Palatal skull. Body sizes vary, from some species of Corvidae to more than 50 cm in length, while other species of birds, such as some species of Avinae, are only 6-7 cm in length.
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