Fowler's Toad (Anaxyrus fowleri)
Order Anura, Family Bufonidae, Genus Anaxyrus. This family consists of true toads, characterized by warty skin, parotoid glands, and the absence of teeth.
Species
Fowler's Toad (Anaxyrus fowleri)
Family
Order Anura, Family Bufonidae, Genus Anaxyrus. This family consists of true toads, characterized by warty skin, parotoid glands, and the absence of teeth.
Size
Adults typically measure 2 to 3.5 inches (5-9 cm) in SVL. Females are generally larger than males. Metamorphs are very small, often less than half an inch.
Conservation
IUCN Status: Least Concern. While common, populations are threatened locally by habitat loss, pesticides, and the spread of Chytrid fungus.
Description
A classic 'garden toad' of the American East, Fowler's Toad is an unassuming but vital predator of garden pests. Its mottled patterns provide excellent camouflage against leaf litter and sandy soil.
Key Features
Look for the light mid-dorsal stripe and large dark spots on the back containing 3 or more warts per spot. Check if parotoid glands touch the ridges behind the eyes.
Physical Description
A robust, medium-sized toad with short legs and a blunt snout. It features prominent cranial crests and large, oval-shaped parotoid glands located behind the eyes.
Skin Texture & Coloration
The skin is dry and warty. Coloration ranges from tan to grayish-brown or greenish-gray. The dorsal surface features dark spots, each containing three or more small warts. A narrow, light mid-dorsal stripe is usually present.
Distinguishing Features
The primary identifier is the presence of three or more warts within each large dark dorsal spot. Additionally, the parotoid glands touch the cranial crests directly.
Habitat
Commonly found in open woodlands, meadows, and gardens with sandy soil. They prefer areas near permanent water sources like ponds or slow-moving streams for breeding.
Geographic Range
Native to the eastern United States, ranging from southern New England south to the Gulf Coast and west to East Texas and the Missouri River basin.
Behavior
Primarily nocturnal, spending days buried in loose soil or under debris. They are terrestrial and move with short hops rather than long jumps. When threatened, they may inflate their bodies or release secretions.
Diet & Feeding
Insectivorous. They use a sit-and-wait strategy to catch ants, beetles, spiders, and other small invertebrates using their sticky tongues.
Reproduction
Breeding occurs from late spring to mid-summer, often triggered by heavy rain. Males call from the water's edge. Eggs are laid in long gelatinous strings attached to aquatic vegetation.
Vocalizations
The advertisement call is a short, nasal 'waaaah' lasting 1-4 seconds, often compared to the muffled bleat of a sheep or a baby's cry.
Life Cycle
Eggs hatch into small black tadpoles within days. Metamorphosis occurs in 40-60 days. Juveniles reach sexual maturity in 1-3 years. Total lifespan in the wild is typically 3-5 years.
Conservation Status
IUCN Status: Least Concern. While common, populations are threatened locally by habitat loss, pesticides, and the spread of Chytrid fungus.
Toxicity & Defense
Possesses parotoid glands that secrete bufotoxins when the toad is stressed or bitten. These toxins can irritate mucus membranes and are dangerous if swallowed by small pets.
Ecological Role
Acts as a significant bio-control agent for insect populations and serves as a food source for hognose snakes, raccoons, and certain birds of prey.
Similar Species
American Toad (Anaxyrus americanus) has only 1-2 warts per spot and parotoid glands that are separate from the cranial crests or connected by a short spur.
Observation Tips
Search sandy areas near water on warm, humid nights. They are easily spotted with a flashlight as they hunt on open ground or sidewalks after rain.
Handling & Safety
Generally safe to move, but wash hands immediately after. Do not touch your eyes or mouth after handling due to skin secretions. Always handle with moist hands to protect their skin.
Seasonal Activity
Active from April through September. They hibernate (brumate) underground during the winter, digging below the frost line in sandy soil.
Cultural Significance
Often featured in folklore as a symbol of transformation or garden luck. Toads are colloquially associated with 'warts,' though they cannot actually transmit warts to humans.
Interesting Facts
It is named after Frederick Hill Fowler, a naturalist from Massachusetts. They are known to hybridize with the American Toad in areas where their ranges and breeding times overlap.