Yellow-bellied peck (scientific name: Dicaeum melanoxanthum): Weighs 11-16 g and has a body length of 104-117 mm. The entire upper body and thorax of the yellow-bellied flowerpecker male are blue-gray-black, such as the head, the side of the head, the neck, and the upper covert feathers from head to tail, and the upper wings are also gray-black, the flight feathers are black-brown, and the outer margins are narrow blue-gray-black feathers. The tail is brownish black , with the outermost pairs of tail feathers with large white end spots , and the second pair of white end spots are smaller and less obvious or have no white end spots at all. The chin, throat and center of the chest are white. The ventral, flank and subtail coverts are bright yellow, and the axillary and underwing coverts are white. The female is brownish-black on the small and primary coverts of the upper body, the middle and large coverts, and the outer parts have olive-green feathers. The tail feathers are brownish black , with white end spots on the inners of the outermost pairs of tail feathers , and olive gray on the side of the head , neck and thorax. The chin, throat and thorax are greyish-white in the center, the rest of the underparts are pale yellow, the sides are olive-colored, and the axillary feathers and subwing coverts are white. The iris is red or reddish brown, the mouth is black, the base of the lower mouth is lead-gray, and the feet are lead-brown.
China is distributed in western Sichuan Kangding, Asbestos, Tianquan, Batang, southwestern Muli, northwestern Yunnan Deqin, Lijiang, Zhongdian, Weixi, western Tengchong, southwestern Xishuangbanna, Menghai, southeast Jinping, Hekou, Mengzi and other places.
They often move and feed in small groups of 2-3 individually or in small groups, with habits similar to those of other flowerpeckers, preferring to jump on rattan or fly between flowers. Arboreal, mainly active in the upper canopy, especially in trees with ripe soft fruits or parasitic plants. Sexually active, in a hurry, often pecking at a few berries on one tree, and then hurriedly flying to another tree, climbing and foraging on the tree, often twisting the tail back and forth. The call is a hoarse zit-zit-zit-zit sound. It feeds mainly on insect and plant fruits, especially the fruits of parasitic plants. It also eats flowers, pollen, nectar, and a small amount of animal foods such as insects and spiders.
The breeding season is April in Myanmar, June in India and July in Nepal. Nesting on a tree, the nest is like a small money bag, woven from plant fibers and spider webs, the nest is soft and delicate, usually suspended on a small horizontal branch, and the entrance and exit of the nest are just below the branches of the nest. It is 1.5-10 meters above the ground and is more exposed. Because the nest is often red, it is easy to mistake it for dead autumn leaves. Sometimes some green moss, spider egg shells, caterpillar droppings, small pieces of bark and leaves are attached to the outside of the nest, which is shared by male and female birds. An average of 3 eggs are laid per clutch, the eggs are white and 16 cm in size×11 cm in size.