The black-headed sword snake is a relatively small snake species. I believe many of my friends don't know much about it. Then, let me lead you into the world of the black-headed sword snake and take a look~

One 、Basic information
Chinese name: black-headed sword snake
Kingdom: Animalia
Door: Chordate
Class: Reptiles
Order: Squamata
Suborder: Snakes
Family: Snakes
Subfamily: Subfamily: Swampia
Genus: Saber genus
II. Morphological characteristics
Black-headed sword The total length of the snake is about 80 cm; its head is larger, and it is more clearly distinguished from the neck; the head and back are black, and the back of the body is tan or dark brown; the ventral surface is yellow-white, and both sides of each abdominal scale are A black speck.
III. Distribution range
The black-headed sword snake has a wide distribution range, as follows:
1. Domestic: Gansu, Sichuan, Jiangsu, Hubei, Henan, Shaanxi, Zhejiang, Guizhou, Jiangxi, Fujian, Guangxi, Anhui, Hainan, Hunan.
2. Abroad: Vietnam, Laos.
4. Habits
The black-headed sword snake usually lives in the woodland at an altitude of 600 meters in the mountains; it mainly feeds on small mice and lizards.
5. Subspecies differentiation
1. Nominated subspecies of black-headed sword snake, named in 1889; distributed in Vietnam and the eastern low mountains of mainland China In hilly areas and other places, the model origin of this species is in Yichang, Hubei.
2. Black-headed sword snake Yunnan-Guizhou Plateau subspecies, named in 1904; in mainland China, distributed in Guizhou, Yunnan and other places, the model origin of this species is in Kunming, Yunnan.
3. The black-headed sword snake Miyi subspecies was named in 1987; in mainland China, it is distributed in Sichuan, Yunnan and other places. The model origin of this species is Sichuan Miyi.
4. The Hunan subspecies of black-headed sword snake, named in 2012; in mainland China, it is distributed in Hunan, Hubei and other places, and the model origin of this species is in Liuyang, Hunan.
VI. Protected List
The black-headed sword snake has been included in the National Forestry Administration of China issued on August 1, 2000. Or the list of terrestrial wild animals with important economic and scientific research value.
The above is all the relevant information about the black-headed sword snake~ If you have any questions, please leave a message in the comment area~