Tuesday, April 2, 2019

The Salamander Trifecta

Mud Red Spring Salamander Ohio
The Salamander Trifecta (Back left: Kentucky Spring, back right: Midland Mud, front: Northern Red).
Spring break in Ohio (a luxury of us students) is usually hit or miss when it comes to the weather.  Some years bring a little taste of summer, others leave us snowed in for the week.  Usually there is at least one rainy night that peaks above 40 degrees.  That’s when the salamanders wake up.  By mid-March, ambystomids, or mole salamanders, begin their nocturnal migrations toward breeding pools by the hundreds.  Soon, every temporary rut with ample water will be chocked with eggs.  Plethodontids, or lungless salamanders, start to move out from their underground springs and rock crevices where they have spent the winter.  Larvae that have survived their second or third year (depending on the species) will soon metamorphose into adults.  

I’m not immune to the seasonal cues that tell dormant creatures it’s time to move.  As soon as the ground thaws (and sometimes before), you’ll find me clambering across Ohio’s streams and ravines in search of the year’s first herps.  Spring break is no time to relax when there is wildlife to be found.

Herping Adventures in Ohio
A Northern Ravine Salamander.
My fellow herper and OU student, Aaron Crank, and I decided to meet up halfway through the week to do some hiking.  When it comes to herping in Ohio, Aaron is the one to beat.  He reminds me of a young Carl Brune.  When driving between locations, he was constantly pointing out facts about the species in the area, what he has found and where, and what he hopes to spend more time looking for.  Just passed over an indistinct bridge? Now we’re in rattlesnake territory.  See that murky stream? Great mudpuppy spot.  I can’t help but feel a bit out of my league when in the field with Aaron.  I’m certain that sooner, rather than later, the name Crank is going to start popping up on most of the herp research projects in Ohio.  Lipps, Wynn, Davis, Pfingsten, etc.—the big names in Ohio herpetology—are sure to get a run for their money.

I have had the pleasure of herping with Aaron on a few previous occasions, searching for Kirtland’s Snakes and Small-mouthed salamanders.  Now that Aaron has transferred to Ohio University to study Biology, I hope our adventures to find Ohio’s rarest herps have only just begun.


Stories about salamanders in Ohio
Spotted Salamander.

As I have journeyed across Ohio (and beyond), I have encountered far more species than I ever hoped to find.  Some, I was lucky enough to stumble upon by shear luck (like my hog-nosed snake), others I’ve repeatedly targeted with only marginal success (Kentucky springs).  There is one pair of plethodontid salamanders that I have searched for dozens of times without any luck: the Pseudotritons.  

The northern red salamander (Pseudotriton ruber) and the midland mud salamander (Pseudotriton montanus diastictus) have been at the top of my list for years now.  I’ve found all sizes of their larvae with Carl, but not a single adult.  To make matters worse, these salamanders have the peculiar habit of turning up where you’d least expect them.  I’ll search the perfect habitat for months and find nothing but two-lined salamanders, then I’ll hear about someone who turned up a northern red under a stone fire pit or on their paved driveway.

Reds and muds are similar in appearance; both grow to be over six inches in length and posses a bright red body dotted with black spots.  Northern reds are stockier, with a distinct, horizontal stripe running though their golden, yellow iris.  Muds, meanwhile, are longer and sleeker with a blunt, almost pug-like snout and a brown iris (with no distinct eye stripe).


Herping Adventure stories for kids and adults
Four-toed Salamander.
Both species commonly inhabit streams and the adjacent stagnant pools separate from the main stream body.  Reds are typically found in aerated headwater streams, but can venture a significant distance from the nearest water source in summer.  Muds are tied more closely to moisture, and inhabit only lowland streams and seeps (occasional alongside the more versatile northern reds).

Reds and muds are distributed in a similar pattern across the eastern US, but the midland (P. m. diastictus—the subspecies native to Ohio), is only found in a disjunct population from southern Ohio to Tennessee.  In Ohio, Muds are documented from just 10 southern counties and are listed as state threatened.   

In the right habitat, adult and larval reds and muds can be found throughout the year.  But due to their general dependence on water, they can be quite challenging to find once their springs or pools dry up.  These salamanders are able to retreat deep underground, following the receding water.  This is where they mate and lay their eggs.  No one has ever observed a wild Pseudotriton nest in Ohio.  The life history and habits of these salamanders are so mysterious that we know very little about them.

Adventures with Salamanders in southern Ohio
Kentucky Spring Salamander.
Growing up in the middle of their joint range, Aaron knows these salamanders better than most.  We set off for Pseudotriton country before sunrise, eager to see what creatures our search would reveal.  

The first two stops of the day brought us to healthy-looking streams where Aaron had turned up midland muds and northern reds in the past.  Even where they are present, these species make you work for it. We carefully flipped countless logs and stones and dip netted each leaf-clogged pool.  We were able to uncover dozens of northern dusky salamanders, northern ravine salamanders, and even a lone spotted salamander.  Even more perplexing than not finding a Pseudotriton (adult or larvae) was the absence of the much more abundant Kentucky spring salamander (Gyrinophilus porphyriticus duryi).

I've found just three of these unique subspecies of spring salamander in my life.  According to Aaron, they can be thick on the ground in the right spots.  By the time we had searched our second stream system without a single duryi, Aaron was scratching his head in confusion.  I was beginning to worry I had brought my bad luck (something I'm famous for among my herper friends).  On our way out, Aaron flipped a four-toed salamander (Hemidactylium scutatum).  These salamanders typically breed later in the season (April-May).  This was likely a male that had arrived early at the breeding grounds.  It was a nice find, but our three target salamanders remained discouragingly elusive.  


Ryan Wagner and Aaron Crank Salamander Find
Northern Red Salamander.
Aaron had one last spot for us to check.  Third times the charm.  I pulled to a stop in front of a vehicle gate and we stepped out into a wide, mowed field that sloped up to meet a large reservoir.  This was his most tried and true location.  If we were going to find any of our target species, it was going to be here.  

We walked along an exposed creek that flowed out from an underground seepage.  Its margins had been completely cleared of vegetation and its shallow, rockless water was stained a deep, sickly orange from the iron leaching up from below.  Compared to the isolated and more pristine springs and streams we had searched early in the day, this looked like the last place a salamander would want to live.  Unconvinced, but committed to the search, I flipped the first log we came to.  Underneath was a healthy, larval mud salamander.  Aaron and I breathed a sigh of relief.  While not the adult we had come to look for, we could at least say, “we found a montanus.”  We snapped a voucher photo as proof, and headed for the end of the stream where the water pooled in a muddy basin.  

Ryan Wagner and Aaron Crank herping ohio
Northern Red Salamander.
Here, things looked more inviting.  Several large, moss-covered logs lay scattered in the muddy water.  This was prime pseudotriton habitat if I’d ever seen it.  Before we began, I set my pack on the bank.  I didn't want anything slowing me down if I had to make a quick capture.  I felt my boots sink up to my ankles as I position myself in front of one of the largest logs.  Anything might be hiding below—or nothing.  I crouched, gripped the sturdiest part of the decaying wood, and rolled the stump towards me.

Stretched out beneath was a whopper of a Kentucky spring salamander.  Heart racing, I shouted to Aaron what I had discovered as I wrangled the slippery, red-orange amphibian into my net.  Now things were getting good!  I set my net down carefully so as not to provide the feisty spring with a quick escape.  I turned to a slightly smaller log next the the first and rolled it over.

As I was just about to shift the log back into place, my brain registered something sticking out of a hole near the base of the log.  Before I could process what I had found, my hand and fingers had plucked the reddish object from its burrow.  This was my northern red salamander, and it was massive, even larger than the Kentucky spring I had just flipped.  Its six inch, chunky body was a deep red, speckled with well-defined, black spots, and its fat rudder of a tail was covered in scars.  This was an old salamander.


Ohio salmanders
Midland Mud Salamander.
Aaron shifted his weight in the muck, leaning towards a third log.  “Watch the mud be under this one,” he said, only half joking.  As I looked down at my net in disbelief, I could hardly feel surprised when he lifted a small, tomato-red salamander into view and said “here it is.”  My adrenaline was already at its peak.  All this remarkable, little salamander could do was add a numb spluttering sensation as a gawked into the distance at nothing in particular.  We had done it.  We had found all three of our target species under three consecutive logs in under three minutes.  

Aaron brought over the midland mud and placed it in the leaves next to the northern red and Kentucky spring.  “Well,” he said, “that’s our salamander trifecta.”  I half expected some kind of cosmic portal to open up under our feet.

How to find Salamanders in Ohio
Midland Mud Salamander.
I have scarcely heard of another encounter like the one we had that day.  Aaron has seen the “salamander trifecta,” once before, but spread out across a day of intensive searching.  Neither of us had expected such luck at the very last stop.  If you’re a fellow herper, you might be thinking ‘no one is that lucky.’  A few weeks have passed, and I’m still expecting to wake up from an overindulgent dream.  Finding a single one of those species would have made the trip.  A red or a mud would have been the find of the spring (maybe even the year).  All three at once? Now that’s one for the record books.

Edit 5/5/19:
In the time since I wrote this post, as many as ten different people have search this seepage.  The mud was tromped through, leaving deep boot prints, the moss was torn off and strewn about, and the logs were left in disarray.  Several two-lined salamanders, dusky salamanders, and at least one larval mud salamander were killed.  There were no live psuedotritons to be found.  People who "herp" without respect for these living creatures are not herpers.  Conservation and protection of these misunderstood animals needs to be at the forefront of our efforts.  One person herping the wrong way is a threat to all of us pursuing this fascination legitimately.  It is up to us as a community to condemn this kind of behavior and encourage positive practices going forward.  

RBW

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