Featured Image Credit: “Fowler’s Toad – Bufo fowleri, Patuxent National Wildlife Refuge, Laurel, Maryland” by Judy Gallagher is licensed under CC BY 2.0
Size: 2-3.5 in long Family: Bufonidae Habitat: "Open woodlands, sand prairies, meadows, and beaches. It burrows into the ground during hot, dry periods and during the winter." Identification: "Fowler's toad is usually brown, grey, olive green and rust red in color with darkened warty spots. If the toad has a pale stripe on its back, it is an adult. The belly is usually uniformly whitish except for one dark spot." From wikipedia.com
Considering these toads like to burrow into the ground during hot, dry periods, it makes sense that I found two of these burrowed (and almost camoflagued) in the cool, moist, deep rocky area that my HVAC is in.