Some Unintended Results of Blanket Cave Closures: a Story About Fern Cave Jennifer Pinkley

Some Unintended Results of Blanket Cave Closures: a Story About Fern Cave Jennifer Pinkley

Some Unintended Results of Blanket Cave Closures: a Story about Fern Cave Jennifer Pinkley The first time I visited Alabama’s Fern Along the way, explorers found beauti- Grotto members about gray bats and the Cave, I thought of the Mines of Moria in ful and rare helictites, gypsum crystals that need to avoid disturbing them. The Grotto JRR Tolkien’s Middle Earth: vast beyond look like giant corn flakes, huge dogtooth started to get the word out that cavers should imagining. As I moved through the cave, it spar calcite formations, rimstone dams, stay out of the approximately three miles of seemed that around every corner I discovered towering flowstone, giant rooms, deep pits, Morgue passage of the cave in the winter. another passage, another canyon, another cave pearls, and stream passage. In obscure Cavers complied. The bats thrived. path to explore. On that first bewildering rooms, cavers found bones of extinct animals trip, I visited Helictite Heaven, one of the that roamed the earth over 13,000 years MAnAgeMent under tHe us FisH And most beautiful and bizarre rooms not only in ago, including giant-sized varieties of cave WiLdLiFe serviCe Fern, but in any cave I’ve ever visited. Weird bears, armadillos, and lions. Hidden in the In 1980, the US Fish and Wildlife rock forms sprout out of the floors, walls and mud were also jaguar teeth, a horse tooth, Service (FWS) purchased all of the entrances ceilings like mutant, sparkling coral bushes. and a 2,400-year-old human jawbone. to Fern, except Surprise Pit, to protect the After that trip, I was hooked. I spent the next Cavers also found torch fragments, charcoal, gray bats. They decided to leave most of the 20 years learning my way around in the cave and torch marks throughout the cave, indi- cave open all year (the part gray bats don’t , trying to understand its complexities, and cating that someone, at some point, visited use), to only allow access to the Morgue in unlocking its secrets. some very remote and technically difficult the summer when the bats weren’t in the areas with only small torches for light. The cave, and to require a permit to enter the A LittLe Fern CAve History 15 distinct levels of the cave, spread out entrances they owned. Huntsville Grotto members found the over almost 16 miles of passage, are vast, Huntsville Grotto members almost Surprise Pit entrance to Fern Cave in 1961 complicated, and beautiful. It became one of immediately started helping FWS manage in the early years of vertical caving. Several my favorite caves to visit. the cave by essentially taking over the permit years later, in 1968, cavers discovered A few years after cavers discovered the system. Huntsville cavers knew the cave another cave just around the corner with a Morgue, Huntsville caver Jim Johnston was intimately, so JV (John Van Swearingen IV) gorgeous sinkhole entrance but dead bats busy exploring some leads in the guano- signed on as a volunteer access coordinator and even a dead skunk at the bottom of a coated part of the cave and noticed a bat for the cave. JV received permit requests, 97 foot pit. Everyone was quite disgusted on a wall with a band around its wing. He screened people who wanted to visit the when they reached the bottom, so they managed to collect the band information cave, compiled reports of trips, and submit- gave the new cave the fitting name of the and sent a letter to the contact written in ted annual reports to the FWS on how many Morgue. Then in 1969, Huntsville cavers tiny type on the band. Jim soon heard from people visited the cave, where they went, and found yet another cave near Surprise that Merlin Tuttle, a young biologist working any problems they encountered. they named New Fern; the entrance was on his doctoral dissertation on gray bats. JV was especially interested in making named the Johnston Entrance. New Fern It turns out that Fern Cave was a “missing sure the delicate sections of the cave, such proved to be more complicated, vast, and link” in Tuttle’s research and Fern is actu- as Helictite Heaven, didn’t receive too gorgeous than anyone expected. Over the ally the largest hibernaculum for gray bats many visitors each year. He also started the next several years, cavers worked to map in the country. Unlike most TAG caves, the “helmets-off” policy for Helictite Heaven. their new finds and yearned to connect all isolated Morgue section of the cave is a cold Cavers were instructed to take off their three caves. Eventually, they did connect all trap, getting down to the upper 30s or low helmets while crawling through the delicate of them, mapped a cave system almost 16 40s in the winter. Gray bats love the cold formation room to reduce the risk of damag- miles long, and discovered that five entrances temperatures. The rest of the cave is very ing formations. When the SCCi started led into the depths of Fern. warm and dry. Merlin educated Huntsville leasing Surprise Pit, that part of the cave was Dave Bunnell Dave Peter & Ann Bosted Peter Formations in the Upper Cave Helictite Heaven 4 NSS NewS, April 2012 added to the permit system. When JV died in down the entire passage for about 1500 2001, Steve Pitts took over as access coor- feet, pretty much the entire way to a fall gray dinator. For 30 years, this system worked bat roost. As we slowed down and started great. There were few problems with the to look, we found a whole lot of graffiti. I cave, the bats were thriving, and a re-survey started to get really mad. After collecting the Bunnell Dave effort and a biological inventory were in full guano, we decided to go over to another area swing. Cavers had re-mapped 10 miles of that features a huge display of unusual and the cave using extremely precise measure- delicate formations. We found more arrows ment and sketching techniques. We’d found leading right to it. a spider species new to science living deep I was torn between wanting to cry, inside the Morgue. We were learning more wanting to throw something, and wanting and more about the cave. Until White Nose to hunt down and strangle the people who Syndrome closure orders. did this to such a wondrous cave. I was also much more annoyed than usual at the FWS tHe Wns BLAnket CAve CLosure And total cave closure policy that had allowed tHe greAt grAFFiti disCovery this to happen. In March 2009, to coincide with the We went back home, called some of FWS Caving Advisory asking everyone to our friends who also love Fern, I did a lot of totally stop caving in WNS-positive and yelling, and then we wrote up an email to adjacent states, FWS pulled all Fern special our contacts at FWS. The refuge manager use permits and completely closed all of the was very concerned about the damage, and federally owned entrances to Fern Cave. For after some back and forth over the next few a brief time cavers weren’t even allowed to weeks, he granted three of us a special use set foot on the property. Steve and I were permit to return to the cave to start clean- Morgue Pit entrance to Fern very depressed. Many of us working on the ing up the graffiti and to monitor the rest survey project told FWS we would buy totally of the cave for damage. In the meantime, I several places, five separate HRs were carved new cave gear and thoroughly decon before fantasized about finding someone in the cave in a five-foot-square area. and after each survey trip if they’d allow us with a can of spray paint in their hot little I didn’t try to remove the HR markings. to continue surveying in the non-bat areas of hands and tackling them. They’re in a passage that also features torch the cave. We knew totally closing the massive On August 27 we went back to the cave marks from long-ago explorers. Several of cave would lead to nothing good. with a fellow Fern enthusiast Jimmy Romines us found the torch marks back in the early We were turned down. Nobody was (and obviously sparkling clean, deconned 1990s, and they had been fine up until the allowed into the cave at all except for once cave gear), armed with soft scrub brushes cave was closed. I did notice several of the a year when FWS biologists asked cavers to to start cleaning up the mess. We made our torch marks were very close to graffiti and rappel into the hibernaculum to see if the way to the typical path we usually take, and some torch marks have likely been obliter- bats had WNS. No biologists accompanied within a couple hundred feet we found a new ated. Several archaeologists are planning to us into the cave to investigate the gigantic yellow arrow on the ceiling. We followed it visit the cave in December to help us figure bat colony. Luckily, as of March 2011 the down a side passage and discovered many out how to preserve and/or collect samples bats were still fine. I didn’t go into any part other arrows, in an array of rainbow colors. in portions of the cave underneath private of the cave except the first canyon passage We scrubbed those off.

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