Aviceda jerdoni

Jerdon's Baza, also known as the Brown-crowned Cuckoo Falcon, is a medium-sized bird of prey with five subspecies.

The Brown-crowned Cuckoo Falcon is a resident bird and does not migrate. Usually active alone, mainly during the day, especially in the morning and dusk, with a low call, soaring in the sky, and flying slowly. It mainly feeds on small animals such as lizards, frogs, bats, insects and insect larvae, but does not attack birds.

April to June each year is the breeding season of the brown-crowned cuckoo falcon, which usually nests in trees in alpine forests. The nest is made of dead branches and leaves, and each nest produces 2-3 pieces, which are white, smooth and spotless, and the size is 44-45.7 mm × 35-37.2 mm.

Listed as a rare species in the "China Red Book of Endangered Animals·Birds".

Listed as an endangered species in Appendix II of the "Washington Convention" CITES.

Listed in the IUCN Red List of Threatened Species in 2016 ver3.1-Least Concern (LC).

Listed in China's National List of Key Protected Wildlife (February 5, 2021) Level 2.

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Origin: Bangladesh, Brunei Darussalam, Cambodia, China, India, Indonesia, Lao People's Democratic Republic, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam.
Wandering: Singapore.
Origin uncertain: Bhutan.
China has only the nominate subspecies, distributed in Guangxi, Hainan (Haikou Wuyuanhe National Wetland Park), Yunnan, Hunan and other places, and is a resident bird.
It inhabits mountain forests and forest edge areas, and often appears in dense forests.

The top of the head is reddish brown with black vertical stripes. There is a long black crest composed of 2-3 feathers on the top of the head, which is often erected vertically on the head, with a white tip, which is very distinctive. The front of the eyes and the sides of the head are gray. The upper body is brown, the throat is white, and there is also a black vertical stripe in the center. The rest of the lower body is brown, with wide white and reddish brown horizontal stripes. There are wide dark gray and black horizontal bands on the flight feathers. The tail feathers are gray-brown, with 2-3 wide dark horizontal stripes and wide dark sub-terminal spots, which are very obvious when flying.
The female bird is roughly similar to the male bird, but the upper body is lighter, and the lower body is milky white or tea yellow; the chin, throat and chest have light reddish brown stripes, and the central stripes on the chin and throat are not very obvious; the forehead and the front of