Slender Glass Lizard (Ophisaurus attenuatus), listed as Endangered in Wisconsin, prefers sandy oak savannas, sand prairies, old fields with sandy soils, and woodland edges around and within all of these habitats. Glass lizards overwinter in burrows they create by forcing their bodies through lose sandy soils. This lizard is active from mid-March through mid-October. Breeding occurs in May, eggs are deposited from late-June to early-July and hatch in August. See the species guidance document for avoidance measures and management guidance from the Natural Heritage Conservation Program.
