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Lopez Volleyball
Islands’ eekly W
Solving the mystery of bats By Liz Needham Special to the Islands’ Weekly
Halloween is just around the corner, and images of pumpkins, witches, bats and
Thanksgiving Meal Baskets The Lopez Island Family Resource Center is pleased to assist the Lopez Community in making sure all have a bountiful Thanksgiving. Please call 468-4117 by November 18th if you and your family would like a meal basket provided. If you would like to donate to help buy the “fixins,� please call the LIFRC or mail a check to Box 732, Lopez, WA 98261
spider webs are appearing. On the islands we are fortunate that we don’t have to be content with cardboard and plastic bats – we have real live bats. These winged creatures are some of the least studied animals, and much of their lives remain a mystery. Very little is known about the abundance of bats in the San Juan Islands, and researchers don’t really know if bat populations are healthy. For this reason, KwiĂĄht, a nonprofit scientific organization run by islanders and based on Lopez, has launched a “Lopez Island Baseline Bat Status Assessment.â€? The Status Assessment will map out where Lopez bats live and estimate population numbers to use as a baseline for future
research. KwiĂĄht is also available for technical consultations to help avoid any unnecessary human-bat conflicts such as bats getting into human living spaces. For instance, the organization has helped Moran State Park design and construct a demonstration “bat towerâ€? for relocating a large maternity colony of rare Long-eared Myotis from the park manager’s office. Russel Barsh, KwiĂĄht’s director, describes a bat tower as “like a small toolshed on stilts, closed except for narrow slits for bats to use, with rafters and a shingle roof that bats find attractive for roosting.â€? Why like bats? “If you are a gardener, farmer or don’t like being bitten by mosquitos, you should encourage lots of local bats
70-6.& /6.#&3 t /07
Contributed photo
A “bat tower� that Kwiaht deigned for Moran state park. The ‘tower’ was constructed in 2010. to live nearby,� said Shona Aitkin, education coordinator at Wolf Hollow Wildlife Rehab. Center. Our neighborhood bats are amazing little animals. Says
Port Commission #2 “His academic, practical experience and long time community involvement will make him a valuable asset as a Port Commissioner.� –Bob Porter, former Lopez Port Commissioner
t #FTU 2VBMJýFE t .PTU &YQFSJFODFE t 1SPWFO -FBEFS Paid for by the Committe to Elect Steve Adams, 177 Caldwell Rd. Lopez, WA
Barsh, “The only mammals that can fly under their own power, bats play crucial roles in ecosystems worldwide, including being pollinators. In the Pacific Northwest, all of our bats are insectivores, and eat many pests such as mosquitoes, termites, and moths. One small bat that weighs less than an ounce can eat hundreds of flying insects in an hour.� Threats to bats The main threats to bats in the islands are associated with humans: clearing woodlands, cutting down old trees with cavity nests, tearing down or burning decaying old buildings, re-roofing or re-siding buildings where bats are living in the attic or walls, said Barsh. Cats and rats also kill bats near the homes they share with us. Growing regional interest in wind power raises concerns for bats in the islands. Largescale wind energy production uses very large rotors that can attain tip speeds of over 200 miles per hour - strangely attractive to bats, and too fast for bats to avoid. Migrating bats such as Hoary and Silver-haired bats are most at risk, but researchers do not see evidence of large-scale migrations in the islands. Smaller rotors designed to supply electricity to one, or a few households, do not seem to pose the same risks as commercial scale turbines, and they can easily be shut down during the few hours of dusk and dawn when bats are most actively flying and foraging. Bat Facts At least five species of tiny mouse-eared bats in the genus Myotis, such as SEE BATS, PAGE 5