These fellows love to lounge on the trail on nice warm days. Copperhead bites are seldom fatal.
Exceptions are older people and kids.
I grew up in the Pott creek bottoms area. They would sometimes bite my cats and dogs. They usually just swelled up and got very ill, but usually survived. My grandmother got bit by a copper on the leg. The flesh around the bite rotted and fell out, leaving a deep scar for the remainder of her life, but she survived.