LancasterHistory, 230 N. President Ave., Lancaster, has posted two upcoming events.

The first Friends of the Tanger Arboretum Nature Series program of 2025 will be held on Saturday, Jan. 25, at 10 a.m. Aaron Haines will speak about remote acoustic survey efforts for bats, a cost-effective way to survey rare bats in Pennsylvania, and how to use recording devices to record bat vocalizations. The devices are an integral tool in evaluating bat species under conservation with minimal human interference.

Bats are key indicators of the health of ecosystems, and they provide pest control over problematic insect species. However, in Pennsylvania, seven species of bats are of conservation concern, with three species listed as endangered and two species actively protected by the Endangered Species Act.

Haines is a certified wildlife biologist and a professor of conservation biology at Millersville University. He is also the director of the applied conservation lab at Millersville University. Haines has a Bachelor of Science in forestry and wildlife management from Virginia Tech, along with a Master of Science in wildlife and range management and a Ph.D. in wildlife science, both from Texas A&M University-Kingsville.

A Nature Series presentation on maple sugaring will be offered on Saturday, Feb. 1, at 10 a.m. Lancaster County Department of Parks and Recreation senior naturalist Lisa Sanchez will share information about the production of maple syrup, its importance to indigenous peoples and European colonists, its role in food rationing during World War II, and its influence on people's taste buds today. Attendees will explore the history of the tools and techniques used to produce maple syrup and learn all of the steps required to make maple syrup, from identifying trees to collecting and boiling the sap. They will also have the opportunity to sample maple sugar candy.

Sanchez has been a naturalist at the parks department's Environmental Center for 30 years.

To purchase tickets for either program, visit https://lancasterhistory.org/events/ or call 717-392-4633. Advance tickets recommended, as walk-in tickets are not guaranteed. There is a discount for children age 17 and under. Friends of the Tanger Arboretum members will receive complimentary admission, but they should register for the program.

LancasterHistory will reopen for the 2025 season on Tuesday, Jan. 21. The organization will be open from Mondays through Saturdays from 9:30 a.m. to 5 p.m. to the public. Tours of President James Buchanan's Wheatland will be available from 10 a.m. to 3 p.m. The Research Center will be open from Wednesdays to Fridays and the first Saturday of each month from 9:30 a.m. to 2 p.m. for appointments.