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White Nose Syndrome, a disease of hibernating bats, has killed an estimated 6 million bats since 2006. WNS affects bats during hibernation. The disease is believed to originate from a cold-loving fungus that spreads among hibernating bats while in caves.
Of the bat species affected in North America by White-Nose Syndrome, five are native to Iowa, including the Big Brown Bat, Little Brown Bat, Northern Long-eared Bat, Tri-Colored Bat and the Indiana Bat.
Bats are crucial to a healthy ecosystem. They eat insects that can damage agricultural crops, saving us at least $3 billion annually in pest suppression services.
WNS is not known to pose a threat to humans, pets or livestock. It is known to be transmitted primarily from bat to bat, but fungal spores may be inadvertently carried to caves by humans on clothing and caving gear.
White-Nose Syndrome has been confirmed in Iowa. DNR experts have been monitoring bat populations, and state parks staff is educating the public while taking preventative measures to slow its potential spread.
Iowa citizens can help bats by following all decontamination requirements if entering caves and continuing to avoid disturbing bats, especially during hibernation.
Iowans can also help bats by volunteering to monitor bat populations in the state. Acoustic monitoring surveys that rely on recording bat echolocation calls are an efficient way to monitor bat populations to identify areas of high bat activity in Iowa.
Additional White-Nose Syndrome Information