Common names include&colon; cottonmouths, copperheads, and cantils. During winter it hibernates in dens, often with copperheads and timber rattlesnakes. The area is known to have a lot of timber rattlesnakes and northern copperheads. The nickname is used to refer to both cottonmouths and copperheads. Republicans started calling anti-war Democrats "Copperheads", framing them as poisonous as a venomous snake. There is no antivenin specifically manufactured for copperheads. State Republican parties stressed the perfidy of the Copperheads. The values of the Copperheads reflected the Jacksonian democracy of an earlier agrarian society. In "The Hidden Civil War", Wood Gray decried the "defeatism" of the Copperheads. She was ardent in her condemnation of the Copperheads and other Democrats. By defeating the Democrats and McClellan, he also defeated the Copperheads and their peace platform. He played arena football with the Katy Copperheads in 2009. The prisoners expected support from Copperheads and Vallandigham, but never did revolt. The river is known for its many copperheads, even today. The first book-length scholarly treatment of the Copperheads appeared in 1942.