The black-throated noisy grebe (scientific name: Garrulax chinensis) The male and female plumage of the black-throated noisy grebe are similar in color. The frontal base, eye front, eye area, cheek, chin, and larynx are generally velvet black, with a white spot on the frontal base immediately above it, a gray-blue patch on the back of the head to the back of the neck, and a large white spot behind the outer eye (except for The Hainanese species), and olive-gray or tan on the side of the neck. The rest of the upper body nominate subspecies such as the back and shoulders are olive gray and green, the West Yunnan species are olive brown, the Hainanese species is brown from the back of the neck to the upper back, and the rest of the upper body is olive brown; the two winged coverts are the same color as the back, the flight feathers are black brown, the outer flight feathers are gray or silvery gray, and the inner flight feathers are the same color as the back. The tail is dark olive brown or olive gray brown with black end spots, and the outermost tail feathers have black end spots, and the outermost pair of tail feathers are almost all black, and the central pair of tail feathers have inconspicuous dark transverse spots (except for Hainanese species). The thorax is olive grey or olive greyish brown, which turns back to olive brown, and the thorax of The Hainanese species is tan. The iris is brownish red or magenta, the mouth is black brown or black, and the foot horns are brown or fleshy brown.
China (Hainan Western and Southern Yunnan, Guangxi, Hong Kong and Southern Guangxi.) ）
Habits: Often in small groups of several or more than 10, occasionally individual and paired activities. Most of them jump between the bushes under the forest, and the individuals in the group keep in touch through the call, and the community behavior is very strong, and when it is dispersed, it is quickly gathered together through the call. If one of the birds is injured, the rest of the birds do not flee immediately, and if the injured bird is caught and screams, the other birds seem to come to the rescue. Frequent calls are made during activities, which are pleasant to the ear. In addition to jumping on the low branches and shrubs of trees, it is often jumping around rapidly on the ground, flapping its wings, nodding, jumping for a while, and singing vigorously, especially in the morning and early spring, this activity is more frequent. If a person is found or suddenly disturbed, sometimes it also flies away, the flight is clumsy and laborious, usually flying not far and falling.
The breeding period of the black-throated grebe in Hainan Island is from March to August, and the breeding period is 2 litters in one year, the first nest is usually in March to June, and the second nest is in July to August. The nest is in a dense bush or bamboo forest under the forest, and the nest is generally not high above the ground. The nest is shallow cup-shaped, mainly composed of grass roots, leaves, vines, etc., with delicate grass roots in the inner pad, and the structure is relatively loose. The size of the nest is 16 cm outer diameter, 8.1 cm inner diameter, 8.2 cm high and 5.4 cm deep. Each clutch lays 3 to 5 eggs, usually 4, with white eggs