The red-collared green parrot (scientific name: psittacula krameri) is a bird of the family Parrotidae , with 4 subspecies. Body length 43 cm, wingspan 42-48 cm, weight 95-140 g, lifespan 30 years. It is a long-tailed green parrot. The beak is red; the tail is blue, the end is yellow; the male has a green head, a blue occipital, a dark grassy green for the upper body, and a lower body of the same color as the upper body but lighter. At the base of the neck there is a pink band that surrounds the back and sides of the neck; from the front of the neck to the side of the neck, there is a semi-circular black tie. The female has a green head.
There are only subspecies in China, distributed in Fuzhou City, Fujian Province, Zhuhai, Guangdong Province, Wanshan Islands and nearby coastal areas, Hong Kong and Macau.
The red-collared green parrot is a resident bird that often moves in groups, sometimes with grey magpies, mynas, crows, etc. The calls are noisy, especially in the morning and evening, and often make a continuous cry of "--- quack ---". Fly fast and powerful, sometimes flying high, and then suddenly landing on a tree. Most of them move in small groups, gathering considerable numbers near feeding sites or trees, occasionally reaching hundreds. The nature is very noisy, so it is very obvious, the personality is not very afraid of people; it is usually used to stay in the same area, and it will only migrate to other areas when foraging; it is quite fast when flying, accompanied by sharp and piercing calls.
The breeding season is from February to April, with a few starting as early as January. During courtship, the wings are half-open, and the head rotates from side to side from time to time, especially in male birds. Nesting in natural tree holes or abandoned woodpecker nests, or in cracks in rock walls, sometimes nesting in their own holes, or nesting in holes in old buildings and walls. 4-6 eggs are laid per clutch.