How are snake pits formed?

ANSWER I: Snake pits are a network of caves and crevasses formed by underground water and collapsed limestone serving as perfect locations for hibernating snakes. In cold countries, these pits protect them from very cold temperatures, which tend to dip as low as minus 40 degrees Celsius during winter. The snakes huddle themselves below the frost lines during harsh winter.

Snakes of the tropical countries, however protect themselves from the heat of summer by staying in pits, which are formed far below the ground level. These are protected underground from surface heat.

ANSWER II : Most snakes do not make their own burrows, but inhabit the burrows made by other creatures, such as rodents. They also inhabit termite mounds.

Only a few species of snakes, such as sandboas and shieldtail snakes, are capable of making their own burrows, but even they prefer existing burrows, when available - Courtesy : The Hindu