The bird Atlas of Hunan Province introduces the regional distribution map of abundant bird resources, bird watching knowledge, bird external morphology map, commonly used terms of birds and the color photos, bird names, field identification characteristics, living habits, breeding characteristics, living conditions, population number and the degree of difficulty encountered by 446 kinds of birds recorded in Hunan Province. What's more, each kind of bird is equipped with 2-3 color photos, either male and female, or winter and summer feathers, or one-stop flying, or different posture, which fully shows the morphological characteristics and ecological habits of birds.