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It’s In Your Nature: Leave no rock unturned looking for salamanders

About 3 weeks ago, with some snow still lingering along the roadside shoulders, I saw my first amphibians of 2024. It was a rainy evening and I had a feeling that the warmer temperatures would prompt a few out of their winter slumber. The size of the frogs I saw indicated to me that they were spring peepers, some of the first to get active in late winter. I saw three hopping across an East Penn Township road that evening. They were a reminder that some of the frogs’ cousins, the salamanders, “awaken early” too.

Pennsylvania has 22 species of salamanders, 13 of which can be found in the Times News area. I have seen 11 of them in my lifetime. One, the redback salamander, is very common and can even be found in some of our local towns. You might find them under a backyard steppingstone or board lying in your lawn.

Salamanders belong to Class Amphibia. The word amphibian is derived from the Greek word Amphibios, which means living a double life. They spend part of their lives in water and some of it on land. Most begin their lives in water, essentially as an embryo, where they feed and develop slowly and undergo metamorphosis to transform into an adult.

Spring is the time when most of our salamanders find their way to water to mate and lay their eggs. Some, like the spotted salamander, seldom come above ground except for this purpose. As you are reading this column some are already laying eggs to ensure that another generation will take their place. There is no parental care, and much like frogs, which lay hundreds of eggs, only a few survive to breed next spring.

If you wish to find some salamanders, try lifting a few flat stones or turning over a rotting log. Since most need to keep their skin moist, they seek refuge from the heat and dry air by being nocturnal, living underground, or hiding under objects during the day. Mole salamanders, like the spotted and marbled salamanders remain underground almost all their lives. The redback and red salamander are types of lungless salamanders and they respire through their skin, and like fish gills, must remain moist for this to occur. Take a look at a few photos I have taken and see if you may have actually seen some of them in your outdoor travels.

Test Your Outdoor Knowledge: When a young bird begins breaking out of its shell, it is called: A. engorging; B. gouging; C. pecking; D. pipping.

Last Week’s Trivia Answer: The very adaptable and aggressive starling spread across the U.S. in 30 years.

Email Barry Reed at breed71@gmail.com.

The slimy salamander can be found in our region. Being a lungless salamander it needs to stay moist and is most active at night. If touched it secretes a slimy substance in an effort to discourage predators. BARRY REED PHOTOS
Amphibians in our area hibernate for the coldest months. A few years ago on a February morning my birding hike took me to a spring seep at the base of Blue Mountain. After lifting a few flat stones in the water, I found this pickerel frog and mountain dusky salamander hibernating together. A few more stones I lifted revealed about a half dozen more salamanders. Cool. Literally and figuratively.
The red-spotted newt is unusual in Class Amphibia. The adult salamander (newt) spends its adult life in ponds.
The larval form of the newt is the red eft. The red eft spends its larval form feeding on land. Look for them in mountainous areas on cool damp mornings following a rain.
Seldom seen, the spotted salamander is a type of mole salamander. It spends most of its life underground, but about this time each year, ventures to vernal pools to lay its eggs.
Vernal pools (vernal refers to spring, i.e. vernal equinox) are very important for amphibians, including salamanders. Formed in a depression usually after snow melt, they often are only “holding water” for a few months. Because of the short duration, fish can't live there and can't eat the young.
Supposedly fairly common in damp wooded areas, I have only seen a few red salamanders. They are markedly different in appearance than the red efts and have a wetter, shiny look.
The leadback salamander is a gray color morph of the redback salamander.
Like the screech owl, both redback and leadback salamanders may hatch from the same eggs laid by a redback female.
The mountain dusky salamander is a lungless salamander and spends much of its time under stones in a mountain spring where it eats insects and small crustaceans.
The salamander most commonly seen is the redback salamander. They are regularly found under a stone, rotting log, or a board lying in your backyard. They can intentionally snap off their tail and regenerate a new one. This could prove helpful if grabbed by a garter snake which is left with a piece of tail in its jaws rather than the whole animal.