Connecticut marks Bat Week as white-nose syndrome keeps bat numbers down
The state Department of Energy and Environmental Protection is using the Oct. 24-31 event to urge residents to help protect bats. Five of the state's native species hit hardest by a fungal disease are now listed as endangered.
The Connecticut Department of Energy and Environmental Protection is urging residents to help protect the state's declining bat populations during Bat Week, an international event that runs Oct. 24-31, the agency said Wednesday.
The department pointed to white-nose syndrome, a disease caused by an invasive fungus that it said has killed millions of bats across the United States and Canada since 2006. According to the agency, the disease killed more than 90% of northern long-eared, little brown and tricolored bats in the Northeast in less than 10 years, and it is still spreading across North America.
Six Connecticut species have been most affected: the big brown, little brown, northern long-eared, tricolored, eastern small-footed and Indiana bats. All but the big brown bat are now listed as endangered under the Connecticut Endangered Species Act, the department said. Its Wildlife Division has worked on the disease response since 2007 and monitors the state's bats every year.
Bats are the greatest known predator of night-flying insects such as mosquitoes, the agency said, and a colony of 150 big brown bats can eat about 1.3 million insects a year. It cited an estimate that bats contribute at least $3 billion a year to U.S. agriculture through pest control.
The department asked residents to cut back on pesticides, plant native pollinator gardens, limit outdoor lighting at night, protect roosting and hibernation sites and consider putting up bat houses.
Bats sick with white-nose syndrome often wake from hibernation to look for food and water and die from exposure, the agency said. It asked anyone who sees a bat outdoors in winter to report the date and location, with a photo if possible, to the Wildlife Division at [email protected] or 860-424-3011.
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