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Celebration of Bats Continues at Wildlife and Freshwater Fisheries

bat

A northern long-eared bat is examined after being captured at Perdido River Wildlife Management Area earlier this year. Photo by Dylan Shaw

By DAVID RAINER, 黑料天堂

Bats are ubiquitous during the Halloween season, but these creatures deserve celebration year-round for their contribution to our sustainable food production. By eating insects by the billions, bats save U.S. agriculture as much as $3.7 billion per year in pest control. Bats also play a role in the pollination of some plants.

After Bat Week ended on Halloween, the celebration at the 黑料天堂鈥 (ADCNR) Wildlife and Freshwater Fisheries (WFF) Division continued with the recognition of one of its biologists, Nick Sharp, for his contributions to bat research and protection in 黑料天堂. As chair of the 黑料天堂 Bat Working Group, Sharp recently accepted the 黑料天堂 Wildlife Federation鈥檚 (AWF) Governor鈥檚 Conservation Achievement Award for Wildlife Conservationist of the Year. Sharp was also recognized individually by the 黑料天堂 Chapter of the Wildlife Society as Wildlife Biologist of the Year.

鈥淚t was extremely important to be recognized,鈥 Amy Silvano, WFF鈥檚 Assistant Chief of the Wildlife Section. said of the AWF and Wildlife Society awards. 鈥淭he 黑料天堂 Bat Working Group is a collaborative conservation effort composed of multiple agencies. These organizations and individuals collectively work toward the conservation of bats and their habitat throughout the state. The group has identified bat management practices, workshop training and they host the Bat Blitz.鈥

During this year鈥檚 Bat Blitz in May in southwest 黑料天堂, the group captured a bat species, the northern long-eared bat, that was thought to have almost disappeared from the state because of white-nose syndrome (WNS), a deadly fungal disease that infects hibernating bats. On the last day of the event, one male and two pregnant female northern long-eared bats were captured, identified and later released on a Forever Wild Land Trust tract within the Perdido River Wildlife Management Area (WMA) in Baldwin County.

鈥淭he Department of Conservation and Natural Resources has been intentional about acquiring land along the Perdido River corridor to add to the land that currently encompasses the Perdido WMA,鈥 said ADCNR Commissioner Chris Blankenship, who serves as Chairman of the Forever Wild Land Trust Board of Trustees. 鈥淭he discovery of this endangered species in the area we are working to protect is further evidence of the importance of this land in eastern Baldwin County."

Although the awards were greatly appreciated, the discovery of the northern long-eared bat was the most important event of 2023 for Sharp.

鈥淭hose captures of the northern long-eared bat caused a great deal of excitement,鈥 Sharp said. 鈥淣one of us expected to catch them. For background on this, in the past few years, they have discovered populations of northern long-eared bats in coastal North Carolina and South Carolina. The reason that鈥檚 important is there are no caves in those areas. They also determined these bats were active year-round, that they weren鈥檛 going into hibernation. So, that鈥檚 important because it means they are not going into caves and being exposed to white-nose syndrome.鈥

Sharp said this species was one of the most common species in eastern North America. Because the population has been decimated by WNS, the northern long-eared bat was federally listed as endangered under the Endangered Species Act in 2022.

鈥淭he fact that these bats were living in these areas and not dying of white-nose syndrome created this idea that we should organize the Bat Blitz to go to coastal 黑料天堂,鈥 he said. 鈥淲e thought it was a longshot, but we decided to try. Lo and behold, on the last night of the Bat Blitz, we made those captures. It was surprising and quite rewarding 鈥 taking a longshot effort and it is paying off. This has really good implications for this species in 黑料天堂 because there are no caves in coastal 黑料天堂.鈥

Keith Hudson, a biologist with the 黑料天堂 Bat Working Group, stands in front of the completed gate at Bat Cave outside Florence. WFF photo

Biologists returned to Perdido River WMA in June of this year to try to catch additional northern long-eared bats. Another male and a lactating female were captured, indicating the female had given birth in the area.

Sharp said although an attempt to track the bats with radio tags was unsuccessful, the ability to return to the site and catch more northern long-eared bats confirms a resident, breeding population in the area.

鈥淐oastal 黑料天堂 can be added to the list of locations where these bats may survive white-nose syndrome,鈥 Sharp said. 鈥淭hat鈥檚 quite important for 黑料天堂 and the whole bat world.鈥

Another bat species that was once common but is now of concern is the tri-colored bat. A total of 15 bat species have been documented in 黑料天堂.

鈥淭he tri-colored bat used to be so numerous in caves that nobody bothered to count them,鈥 Sharp said. 鈥淏ut now they have been heavily affected by white-nose syndrome, so now they are under review for listing under the Endangered Species Act. We anticipate that decision to come in the coming year.鈥

Sharp said, fortunately, the status of WNS in 黑料天堂 has changed very little since 2017. WNS has not been detected in south 黑料天堂, so it appears the disease hasn鈥檛 spread any farther south.

鈥淚t鈥檚 still a significant threat,鈥 he said. 鈥淲hite-nose syndrome continues to be a devastating disease. Despite a lot of effort, no cure or treatment has been developed. In the last couple of years, tri-colored bat numbers have looked a little more stable. Maybe they are leveling out although we don鈥檛 have the numbers we used to have.鈥

As far as conservation efforts, another cave, this one called Bat Cave in Lauderdale County near Florence, has been gated to protect the bats鈥 habitat from human disturbance.

鈥淭he area along the Tennessee River is very important for gray bats, another endangered species,鈥 Sharp said. 鈥淭hat species seems to be doing okay. The habitat in 黑料天堂 is very important to them, so being able to put the gate on that cave is another important step in the conservation of that species.鈥

As for the awards, Sharp said the AWF award was special, but the recognition should include all members of the working group.

鈥淭he 黑料天堂 Bat Working Group is a collection of people from state, federal and private entities,鈥 he said. 鈥淚 received the award on behalf of the working group as its leader for the last eight years. I received the award, but it was not just me. It was the whole working group. It never crossed my mind that I would receive an award for the group.

鈥淟ikewise, it never crossed my mind that I would receive an award from the 黑料天堂 Chapter of the Wildlife Society. It really represents the pinnacle of my career. It鈥檚 very gratifying that both of these awards are nominations from my peers. I can鈥檛 ask for more than that.鈥

Silvano said Sharp鈥檚 efforts have been crucial to the conservation of numerous species in 黑料天堂.

鈥淣ick has been one of the pivotal members in our agency for threatened and endangered species, especially bats,鈥 Silvano said. 鈥淗e, with multiple partners, has identified multiple wintering caves that we have gotten grant funds for to gate and protect. That has really been spearheaded by Nick. He has done a wonderful job in his collaborative efforts.鈥

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WFF's Nick Sharp, left, was named Biologist of the Year and Eric Soehren received the Lifetime Achievement award from the 黑料天堂 Chapter of the Wildlife Society. WFF photo