Bald Eagle State Park, Howard
April 2, 9, 23 - April Bird Walk Series, 8:30-10:30 a.m., park office.
April 4 - Growing up Wild Series, 10-11:30 a.m., Environmental Learning Center. For ages 3-5. Held on the first Thursday of every month, through December. Registration required by calling 814-625-9369.
April 5 - First Friday Adventures, 3:30-5 p.m., Environmental Learning Center. Designed for families and includes some hiking.
April 5 - Mother Nature's Nightlife, 7-8 p.m. Featuring guest speaker Ryan "The BugMan" Bridge. Meet at the Nature Inn multi-purpose room. Free but call to register.
April 13 - Environmental Center Open House, 10 a.m.-noon.
April 13 - Fossil Hunting, 2-3 p.m., meet at Pavilion No. 4. Includes hike along lake bed.
April 18 - Astronomy at Night with the Central Pennsylvania Observers, 7-8 p.m. Meet at the Nature Inn multi-purpose room. Free but call to register.
April 19 - Earth Day Eve Paddle, 6-8 p.m. Fee applies. Register by calling 814-625-9369 by April 17.
April 27 - Nature Inn Green Building Tour and Discussion, 10-11 a.m.
Cherry Springs State Park, Galeton
Office: Call Lyman Run park at 814-435-5010
April 27 and May 4 - Night Sky Tour, 9-10:30 p.m.
Elk Country Visitor Center, Benezette
April 6 - Bluebird Box Construction, 1-2:30 p.m. Bring hammers and screwdrivers if you can.
April 13 - The Wonders of Vernal Pools, 1-2 p.m.
April 20 - A Tribute to Earth Day, 1-2 p.m.
April 27 - All About Wild Turkeys, 1-2 p.m.
Hills Creek State Park, Wellsboro
April 6 - Saturday Morning Birding Series, 8-10 a.m.
R.B. Winter State Park, Mifflinburg
April 10 - Mountain Biking and GPS Basics, 9:30 a.m.-1 p.m. Ages 12 to adult. Free, but space is limited. Call to register.
April 27 - Volunteer Spring Cleanup, 9 a.m. Call to attend.
Sinnemahoning State Park, Cameron County
April 13 - Canoe and Kayak Clinic, noon-4 p.m., at Country Squirrel Outfitters, Ridgway. To register, call the park or email email@example.com.
Worlds End State Park, Forksville
Through April 23 - Growing up WILD! will be held Tuesdays from 10:30 to 11:30 a.m. Children ages 3 to 5 and their parents can explore wildlife and the world around them through stories, art projects, music, crafts and more.