Bartramian Audubon Society will have a birds and nature festival on Friday, Saturday and Sunday in the Franklin-Oil City area. Nature hikes, bird walks, numerous workshops, and an owl prowl are in the works. Call 814-437-5858.

Lutherlyn in Prospect will hold its annual spring open house and Earth Day celebration from 12:30 to 4 p.m. Sunday. Activities will include a camp tour, crafts, a blacksmith demonstration, hay rides, a treasure hunt for children, canoeing and kayaking, games, sports and pony rides. Admission is free. An all-you-can-eat pancake and sausage meal will be available from 12:30 to 3:30 p.m. for $8 for adults, $5 for children ages 5 to 12, and free for those younger than 5. Call 724-865-2161.An adult must be responsible for all children. Cost is $5 per person; children age 4 and younger are admitted free. The fee includes snacks and beverages. Call 724-865-9079, or send e-mail to leep@lutherlyn.com.

Jennings Environmental Education Center will host a two-day fly fishing clinic from 10 a.m. to 3 p.m. May 16 and at an off-site location on May 17 for those age 10 and older. The fee is $15 and registration is required. Jennings is open 8 a.m. to 4 p.m. weekdays and on weekends as scheduled. The trails are open daily from sunrise to sunset. Call 724-794-6011.

<B>A Star Party</B>, sponsored by the Amateur Astronomers Association of Pittsburgh, is planned for 8:15 p.m. Friday and Saturday at the Nicholas E. Wagman Observatory at Deer Lakes Regional Park, Frazer Township, Allegheny County. Views of the