Found throughout the Indian subcontinent and parts of Southeast Asia, it’s a large, thick-bodied viper known for its striking appearance and powerful venom. Its body is covered with a series of golden-brown or tan spots ringed in black, forming perfect circular or oval patterns that make it look almost like it’s wearing a coat of ancient jewels. These markings also help it blend into dry grasslands and rocky terrain, where it hunts at night for rodents, frogs, and lizards.

One of the most distinctive features of the Russell’s viper is its temperament. Unlike many snakes that slither away when disturbed, this viper tends to stand its ground, coiling tightly and producing a loud, angry hiss that sounds almost like a pressure cooker releasing steam. This intimidating sound can be heard several meters away and serves as a warning: back off or face the consequences. If provoked further, it strikes with lightning speed and astonishing accuracy. Its venom is a deadly cocktail that affects blood clotting, making it one of the leading causes of snakebite fatalities in Asia. However, scientists have also turned this venom into a tool for good—its components are used in medical research and to produce diagnostic tests that help detect blood disorders. So, in a strange way, Russell’s viper saves lives and endangers them.

Unlike many reptiles that lay eggs, the female carries her developing offspring inside her body until they’re ready to be born. This adaptation gives the young a better chance of survival, especially in unpredictable climates. Russell’s vipers are also known for their keen hunting skills. They can sense vibrations in the ground to detect nearby prey and use heat-sensitive pits on their heads to “see” warm-blooded animals in the dark, much like night vision. Once a target is in range, they strike with precision and hold on until the venom takes effect.

Distribution

Country

Population est.

Status

Year

Comments

Bangladesh

2019

Bhutan

2019

India

2019

Nepal

2019

Pakistan

2019

Sri Lanka

2019