Three-lined Salamander

Three-lined Salamander

Eurycea guttolineata

Silhouette: Andy Wilson · PhyloPic

LCLeast ConcernNTVUENCR Endemic
Daily sighting probability ~10% · With luck
at Great Smoky Mountains National Park

In 3 days ~30% in a week ~50%

56 Verified sightings at Great Smoky Mountains National Park From 2019 to 2026
112 In all 2 parks
May Best month
☀️🌙 Day & Night When it's spotted

About the Three-lined Salamander

The three-lined salamander (Eurycea guttolineata) is a species of salamander in the family Plethodontidae. It is endemic to the south-eastern United States. This species was classified as a sub-species of long tailed salamanders until DNA sequencing revealed that there was no hybridization between the two species. Like other Plethodontidae species, E. guttolineata captures prey via tongue projection.

Eurycea guttolineata is a mid-sized, slender stream salamander which ranges from about 10-15.9 cm in its adult form. It is tan to light yellow with three black longitudinal stripes running from the eyes down the length of the body to the tail. They possess 13-14 costal grooves that aid in cutaneous respiration. The tail is very long at approximately two-thirds its total body length. Additionally, the ventrum (belly) of the three-lined salamander is boldly marked with black and white marbling.

Breeding takes place in slow moving bogs and streams. Hatchlings are generally around 10-13 mm and undergo metamorphosis when they are 22-27 mm snout-to-vent length. Metamorphosis starts with the reduction of labial folds, formation of eyelids, and resorption of... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Congaree National Park 🇺🇸 United States
~30%
2 Great Smoky Mountains National Park 🇺🇸 United States
~10%

Closest Relatives at Great Smoky Mountains National Park

Before you go

What are the chances of seeing a Three-lined Salamander in Great Smoky Mountains National Park?

With luck

About 10% of wildlife watchers report a Three-lined Salamander sighting in Great Smoky Mountains National Park on a given day, based on 56 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 26th most-seen of the 36 amphibians we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.

When is the best time to see a Three-lined Salamander in Great Smoky Mountains National Park?

May

In that month about 20% of wildlife watchers report a Three-lined Salamander in Great Smoky Mountains National Park on a given day, against under 5% in August and November–March, the lowest months.

What time of day is best to see a Three-lined Salamander?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Three-lined Salamander sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Is Great Smoky Mountains National Park the best place to see a Three-lined Salamander?

2nd of 2

Of the 2 parks where we can rate Three-lined Salamander sightings, Great Smoky Mountains National Park ranks 2nd at about 10%. The best odds are in Congaree National Park (United States, about 30%).

Where does the Three-lined Salamander sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Three-lined Salamander is recorded against all the amphibians logged in Great Smoky Mountains National Park (56 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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