Grey-winged Noisy Stork Latin scientific name Garrulax cineraceus Grey-winged Noisy Stork, similar in color to male and female plumage. The forehead, head, and nape are black, or the forehead is black, the top of the head to the back of the neck is dark gray (the old bird also becomes black), the eyebrow lines are pale maroon or olive brown, the base of the eyes, cheeks and ear feathers are white or off-white brown, the back of the ear feathers is brown or maroon, and the cheek lines are black. The upper body is olive brown or olive gray, the waist is brown, the upper wing inner covert is the same color as the back, the small coverts are brown, the outer coverts are gray, and the primary coverts are black; the outermost 7 primary flight feathers are blue-gray, and the inner parts are black, and the rest of the flight feathers are olive brown with broad black secondary spots and narrow white end spots. The tail feathers are olive brown with broad black sub-terminal spots and narrow white end spots, which gradually expand from the central tail feather to the lateral tail feathers. The chin is white or off-white , the throat , thorax to the upper abdomen are grayish red or pale grape gray , especially the thorax is grayer or brownish yellow , the throat has fine black plumage , the two flanks are rusty brown or olive brown , the lower abdomen is light brown , and the undertail coverts are tan. The iris is brown or light brown, the upper mouth is dark brown, the lower mouth is yellow, and the feet are yellowish brown.
China is distributed in southwestern Gansu, southern Shaanxi, Shanxi south of Wenshui, the Yangtze River Basin and the provinces south of the Yangtze River, east to Jiangsu, Zhejiang and Fujian, south to Guangdong, Hong Kong and Guangxi, and west to western Yunnan, Sichuan, Guizhou and eastern Tibet and Qamdo.
Identifying features: Medium-sized birds, body length 21-25 cm. The forehead is black, the top of the head is black or gray, and the eyes and face are white. The upper body is olive brown to tan , the tail and medial flight feathers have narrow white end spots and broad black sub-terminal spots , and the lateral primary flight feathers are bluish grey or gray with black cheek lines. The underparts are mostly light brown; the mouth and feet are yellow. The characteristics are extremely obvious and not difficult to identify in the wild.
Its natural habitats are evergreen broad-leaved forests, deciduous broad-leaved forests, mixed coniferous and broad-leaved forests, bamboo forests and shrub forests at an altitude of 600-2600 m. They are often found in pairs or small groups of 3-5 individuals, usually in understory shrubland and bamboo bushes, and sometimes in the deciduous layer of the understory and foraging for food. It feeds mainly on insects such as celestial bulls, beetles, caterpillars, caddisflies, and ants. Crustaceans and polypods are also eaten. Plant foods are mainly plant fruits, seeds and grasses.
The breeding season is from April to June. The nests are nested between small trees and bitter bamboo branches, and the distance between the two nests is 0.8m and 1.5 m respectively. The nest is bowl-shaped, the outer layer is made of grass stems, rattan and thin branches, the structure is relatively rough, and the inner layer is composed of thinner grass stems, grass roots, tree roots and silk. The size of the nest is 10.6-15.0 cm outer diameter, 7-7.5 cm inner diameter, 6 cm high and 4-4.5 cm deep. Each clutch lays 2-4 eggs, and the eggs are sky blue