The Jefferson salamander is undergoing a range-wide decline. IDENTIFICATION . Following fertilization, sausage-shaped masses of approximately 30 eggs each are attached to submerged twigs or debris. Because the Jefferson salamander requires extensive tracts of forest surrounding breeding pools, buffer zones are extremely important to the success of this species. Additional information about salamanders is available on the Salamanders of Connecticut webpage. It has long toes, a long snout and a slender body. The home range of Jefferson salamanders varies from 11 – 1,950 square feet in males and 100 – 1,227 square feet in females and migration distances have been reported from a mean 69 feet to 826 feet from breeding ponds (Colburn 2004). Strict habitat management is needed to sustain both pure and complex blue-spotted salamander … Jefferson salamander and blue‐spotted salamander males are likely present throughout parts of New England, but the exact distribution of the pure genotype is unknown (Bogart and Klemens 1997). Mole salamanders, like the Jefferson, have 5 toes on the rear feet but only 4 on the front. The total length of the Jefferson salamander ranges from 4.5 to 7 inches in adults; the laterally flattened tail is almost as long as the body. The total length of the Jefferson salamander ranges from 4.5 to 7 inches in adults; the laterally flattened tail is almost as long as the body. Habitat: Deciduous or mixed hardwood-coniferous forest with temporary or permanent ponds. Males, in breeding condition, have a distinctly swollen cloacal region. Most of these pools are filled by winter snowmelt or spring rains, and then dry up by late summer. It spends most of its life underground, but congregates in mass during breeding cycles. Note that the salamander closes its eyes and raises and wiggles its tail above its lowered head. Description: A medium-sized (up to 13 cm TL), nondescript dark salamander with small white, gray, or bluish flecks on back or sides. Click here for the latest updates on DEEP's response to COVID-19. As might be imagined, large spots are a predominant means by which to identify this salamander. All occur west of the Connecticut River. Size: adult length is usually 4.0-7.0 inches in TL, large and robust Eggs: masses of 20-30 eggs, often sausage-shaped NOTE Hybrids of Jefferson and blue-spotted salamanders are common and have features of both species. Range: The Jefferson salamander ranges from eastern Illinois through Kentucky and Virginia and up to southwestern New England. This hybridization occurred with the silmilar-looking blue-spotted salamander (Ambystoma laterale) as a result of post-ice age range overlap of both species. Jefferson salamander* Ambystoma jeffersonianum Gray to brown with pale blue to white flecked underside. Show More.
The marbled salamander differs from the Jefferson and spotted salamanders in its reproductive cycle. If development continues in this salamander’s habitat, local extinctions may occur. As a special concern species in Connecticut, Jefferson salamanders may not be collected and removed from the wild. Background: The Jefferson salamander is a large member of the “mole” salamander family (Ambystomatidae). Adults range in size from 60 to 104 mm snout-vent length with a tail that is nearly as long as the body and is laterally compressed. The tail is laterally compressed and extends almost as long as the body. The average adult length ranges from 10.7 to 21 cm, with females being in the upper part of the range, and 12 to 14 costal grooves are present. Similar Species: Smallmouth salamanders. Habitat 4 The secretive adults tend to hide under stones or logs, or in leaf litter and other underbrush in deciduous forests during damp conditions. The larval stage resembles blue-spotted salamander larvae. Certain populations of this salamander are being impacted by a high number of roadkills during the spring breeding season when these animals migrate in large numbers to their temporary breeding pools. DEEP COVID-19 Response. bird. After the eggs hatch, the larvae remain in the pool until metamorphosis occurs. Populations mostly occur in far western Connecticut in northern Fairfield and Litchfield Counties, although some exist along the trap rock ridge system of Central Connecticut. Jefferson Salamander (Ambystoma jeffersonianum). Get the facts at ct.gov/coronavirus. Jefferson Salamander Long Toes. The average adult body length is 6 - 7.75 inches. This amphibian is highly sensitive to habitat disturbance, habitat fragmentation, and urbanization. The "complex" blue-spotted salamander is hybridized with the Jefferson salamander, resulting in an array of genetically variable individuals. more >> It is grayish-pale blue to somewhat brown in color with varying amounts of bluish flecks along the sides. Populations have been declining range-wide. The larval stage resembles blue-spotted salamander larvae. Jefferson Salamander. Spots and flecks fewer on back, more numerous on lower sides. Jefferson Salamander (Ambystoma jeffersonianum) Adult Photo of Jefferson Salamander courtesy of John White. Such measures may include enlarging buffer zones around breeding pools, providing tunnels or culverts for salamanders to cross under roads, and locating new roads away from salamander migration routes. The body may be brown or gray with a … 2001). Smaller, darker, and more spotted than Jefferson and Silvery salamanders, with narrower snout and shorter legs. Size: 4¼ - 7 in; Record: 8¼ in. Description: Long toes, a long snout, and a fairly slender build help distinguish the Jefferson salamander from the other mole salamanders. Avoid the use of fertilizers, herbicides, and insecticides in your yard. Scientific Name: Ambystoma laterale Size: 2.9-5.1 inches (7.5-13 cm) in length Status: Endangered Habitat: Deciduous or mixed hardwood-coniferous forest with temporary or permanent ponds. blue-spotted salamander* Awareness and education of the Jefferson salamander's life history and habitats are invaluable tools for conserving this animal. Mole Salamanders and Vernal Pools. As a defense, Jefferson salamanders can produce a milky, noxious secretion on their tail. Breeding sites are shallow, temporary woodland ponds (also known as vernal pools) with plenty of organic debris for attaching eggs. Medium to large size, adults 130-170 mm total length." If you locate a Jefferson salamander population or temporary breeding pool, please contact the DEEP Wildlife Division at 860-424-3011 or email@example.com. Identification . Amend the 2010 habitat regulation for Jefferson Salamander Their life expectancy is 20 years, maximum. Breeding success varies from year to year, depending on spring weather and water-level conditions. Commonly Confused Native Species: Blue-spotted salamander . The average length for males and females is around four inches; females are slightly larger than males (Hulse et al. The tiger, spotted, Jefferson's, blue-spotted, and marbled salamanders are the New York representatives of a family known as the mole salamanders, so-called because they spend most of their adult life underground, except for a brief early spring breeding period (marbled salamanders are fall breeders). Size: A long and slender salamander measuring 5 to 6.5, inches in length with a wide snout, long toes, elongated, Color: The dorsum is brownish-gray to dark brown in coloration, with blue/silver flecking or foxing on the legs and sides, Behavior: When faced with predation adults raise and lash their, tails while releasing toxic secretions as a predatory, defense. If you need to use these products, purchase ones that are natural and organic. Habitat protection is important for sustaining this amphibian, which is listed as a special concern species in Connecticut. Jefferson Salamander Metamorph. Life History: The Jefferson is one of the earliest amphibians to breed in the spring. (Jefferson Salamander dependent population), the government will directly undertake the following actions: n Continue to protect Jefferson Salamander and Unisexual Ambystoma (Jefferson Salamander dependent population) and their habitat through the ESA. 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