I killed a copperhead in my yard last week. Pinned it to the ground with a stick and took off its head with a shovel.
I don't care how useful they are, I'm not letting my dogs (or me) get bit by a poisonous snake.
'11 BMW E92 ///M3 - ZCP and DCT
'15 Ford F-250 - Lariat, 6.7 Powerstroke Turbo-diesel