They live deep in the ground most of the year until the summer heat draws them out onto the bluffs overlooking the Mississippi River.
But this year, the timber rattlesnake has become the talk of Winona in southeastern Minnesota. Wildlife experts are now having to answer the question: "What's up with all the rattlesnakes?"
People like Jaime Edwards, who supervises the Whitewater Management Area for the Minnesota Department of Natural Resources, who will meet Monday with residents who have concerns and fears about the timber rattlesnakes that share their territory.
"We've had a pretty significant increase in rattlesnake calls this summer compared to previous years," said a post on the Winona County Sheriff's Office Facebook page.
Sheriff Ron Ganrude said Friday that he wasn't familiar with the post, but added that he knows of three calls about snakes to his department in the past two days.
Winona police have received at least 15 reports of snake sightings, Edwards said. Only about half of those turned out to be rattlesnakes.
"That's about average for the year," she said. But several of the reports came from one Winona neighborhood — the Wincrest area, she said.
She and Stephen Winter, a biologist and a member of a volunteer squad of experts police call when snakes are sighted, are surprised by the reaction over what is an annual affair in bluff country. "It's been blown out of proportion," Winter said.