Many poisonous snakes have triangular heads, such as welding head Mountain, Agkistrodon acutus, Agkistrodon acutus, Bambusa bambusa, Agkistrodon acutus and so on. But there are also snakes that have evolved triangular heads and pretended to be poisonous snakes to scare people, such as the neck-edged snake.

Most snakes in China are not protected animals, but they are wild animals after all, so we should take care of them.

1, Shan welding head

The well-known bamboo leaves, Alishan tortoise shell flower (Taiwan Province), black-spotted bamboo leaves (Fujian), black-eyed black fruit, bamboo shell spot (southwest Sichuan).

2, the original spearhead.

Also known as the tortoise shell flower, it is a reptile of the genus Agkistrodon, commonly known as welding head, bamboo shell class, mouse snake and black scorpion, and it is one of the six poisonous snakes in Taiwan Province. The length of the head is triangular, which is about 1.5 times its width. Shell flower is often confused with non-toxic shell flower, whose head is round.

3, short-tailed clams

Also known as the snake flying on the grass and flat on the ground, it is highly toxic, mostly inhabiting the plain and hilly areas in the middle and lower reaches of the Yangtze River and mainly inhabiting the grass in the graves and its vicinity.

The short-tailed salamander has a short and thick body, a slightly triangular head, obvious distinction from the neck, obvious snout, short tail and tubular teeth; Buccal fossa. The head and back are dark brown, the belly is gray, and the tail tip is brown and black.

4. Bamboo leaf snake

It is a tube-toothed poisonous snake of the genus Bambusoideae. The maximum overall length of male is 77 cm, and that of female is 98. 1 cm. The head is large and triangular, the neck is thin, and the head and neck are clearly distinguished. The top of the head has fine scales; The scales between the left and right noses are not tangent, but separated by fine scales; The back scales are all scaly except the outermost row. The male snake has a red and white longitudinal line on its side, while the female snake has a white or light yellow longitudinal line. There are 2 subspecies.

5. Agkistrodon acutus

It is a poisonous monotype snake from crotalinae, Agkistrodon, a suborder of Agkistrodon acutus. There is only one species of Agkistrodon acutus. Agkistrodon acutus, also known as Agkistrodon acutus, Agkistrodon acutus, Agkistrodon acutus, Agkistrodon acutus, Agkistrodon acutus, Agkistrodon acutus and Agkistrodon sinensis, is a well-known snake species in Asia, especially in Taiwan Province and South China.