HAWAIIAN BIRD WEBINAR: The Lancaster County Bird Club will host a free webinar on Hawaiian birds at 8 p.m. Thursday, May 13. This program will be recorded and available to all registrants, including those unable to attend the live presentation. Registration is required in advance via the following link: bigmarker.com/wildside-nature-tours/Birding-Hawaii-with-Mandy-Talpas. Information: lancasterbirdclub.org or facebook.com/lancasterbirdclub. VIETNAM ROUND TABLE: The Central Pennsylvania Vietnam Round Table will meet at the Vietnam Veterans of America Michael J. Novosel MOH Capital Chapter 542, 8000 Derry St., Harrisburg, at 7:30 p.m. Thursday, May 13. Admission is free and masks and social distancing are required. Following a brief business meeting, Don Sheaffer, of Hummelstown, will discuss his 13-month tour of duty with the Navy Seabees in Hue and Danang as a member of Mobile Construction Battalion 7. Information: Richard Burton, 717-545-2336; centralpavietnamrt@verizon.net.