Boreal toads are stout bodied with a short and blunt head. Their body coloration varies from brownish olice to black with a conspicuous white or yellowish mid-dorsal stripe, a light throat, and, many black spots on the sides and belly. Immature toads have bright yellow or orange flecks on the central surfact of the feet and body. Males are generally 2.4 to 3.2 in. (60 to 80 mm) long from snout to vent and females are 3 to 4 in. (75 to 100 mm) long. During breeding season, mature males have a dark patch on the inner surface of the innermost digit of the forefeet, lack a vocal sac, and may produce chirping sounds when handled. Boreal toads are distinguished from other Wyoming toads by the adsence of cranial crests and by a distinctive [...]
