Clamator jacobinus: Adult birds have a crown of feathers, the upper body and the side of the head, wings, tail and other black, with iron green shiny glow, tail feathers at the end of the white spots, the sides are wide, the center is narrower, the lower body is white, pale gray or slightly brownish yellow. The iris is brown to reddish brown; the mouth is black; the feet are grayish blue-black. It is distinguished from the red-winged crested crayon in that the crown is shorter ; the wings are black with a large white spot ; the tail has a white tip ; and the underparts are roughly white.
Chinese mainland Tibet and other places. China is a summer migratory bird. Populations are scarce and should be protected.
It inhabits open forests, bamboo forests, shrublands and other forest environments such as low hills and foothill plains, and is a forest-dwelling bird with a maximum distribution altitude of more than 4,000 meters. Multiple solo or paired activities. It is often active among tall, exposed branches and flies slightly slower than the red-winged crested crayon. The sound is crisp, the call is two times and one degree, which is rougher. It feeds mainly on various insects such as lepidoptera larvae and locusts. Occasionally, plant fruits and seeds are eaten.
The breeding season for the spot-winged crested crayon is from June to July. Nests are not nested, and eggs are usually laid in the nests of birds of finches such as thrush, thrush, ground plover, finches, burrows, swallowtails, etc., and are incubated by these birds.