Black climber. Eats rats and eggs. Harmless, often in barns and rafters.

Adults are shiny black with a white chin and a faintly keeled, loaf-shaped body in cross-section. Young are gray with dark blotches (and get called copperheads).

Habitat

Woods, barns, rock walls.

Season

April–October.

Size

4–6 ft

Field marks

Black adult; white chin; climbs