GORMAN, Texas (KXAN) — A number of men working on a property in North Texas got an unwelcome surprise when they discovered at least 30 rattlesnakes underneath an old hunting cabin.

The men were in Gorman, Texas, when they saw one snake slither under the cabin on Bobby Cowan’s property. They decided to lift it up with a skid loader to get a better look at the snake, and discovered a giant den.

They slammed the building back down, only to lift it again to capture the den on video.