Falco severus

The Peregrine Falcon is a small bird of prey, with a relatively small body. It has no obvious wing fingers. The male and female are the same type. It looks like a peregrine falcon, but is much smaller, with narrower and longer wings than a falcon. The adult bird has a black head like a "big helmet" with a smooth lower edge, a black back, chest and abdomen and undertail coverts chestnut red, and yellow eye circles. The sub-adult bird is similar to the adult bird, but the chest and abdomen are brown with fine black vertical stripes.

The Peregrine Falcon is found in Yunnan and southwestern Guangxi in China, and may be found in other parts of South China. The record of Hainan Island is only in early documents. From October to November 2013, two individuals of this species were observed and recorded in Medog County, Tibet Autonomous Region. It is extremely rare in all places. It is distributed in the southern foothills of the Himalayas, through northeastern India, Myanmar and southwest China to Indochina, the Malay Peninsula, the Philippines and Indonesia, and New Guinea.

Peregrine Falcons generally live at the foot of trees, and are mostly active alone or in pairs in low-altitude forest edges, sparse forests, hills and plains below 2,600 meters. They often move alone or in pairs, especially in the early morning and dusk. During the breeding season, they usually use the old nests of crows and other birds on tall trees on the edge of steep cliffs. Occasionally, they build their own nests on the rocks of cliffs,

The fierce falcon is a bird of the genus Falconidae. It is similar in size to the swallow falcon, and its cry is similar to the cry of the yellow-clawed falcon - "ke-ke-ke-ke". It mainly feeds on Coleoptera insects, small birds and bats, but also eats mice and lizards.

The breeding period is from April to June. They usually use the old nests of crows and other birds on tall trees on the edge of steep cliffs, and occasionally build their own nests on the rocks of the cliffs, but the nests are extremely simple and rough. Each clutch lays 3-4 eggs. The parent birds take turns incubating the eggs, and the incubation period is 25 days.

The head, sides of the head, pillow, back neck and upper back of the Falcon are black, gradually turning into dark slate gray or light gray on the lower back, waist, wing coverts, upper tail coverts and tail feathers. It has black rachis stripes; the central tail feathers are gray with blurred black horizontal spots. The old bird only has one black subterminal spot, and the inner feathers of the outer tail feathers have significant black or cinnamon bark yellow horizontal spots; the primary flight feathers and secondary The flight feathers are black, with reddish-brown or light gray-brown horizontal spots and spots on the inner feathers. The inner secondary flight feathers are the same color as the back. It is lightly stained with light brown, and the rest of the underparts are dark chestnut red. There are slightly black feather trunk lines on the chest side, and the underwing feathers and axillary feathers are dark chestnut.