Quittapahilla Audubon Society will host several spring field trips, which are free and open to the public. Membership is not required. For details, visit http://www.qasaudubon.org.

A Spring Wildflower and Birding Hike in southern Lancaster County will be held on Saturday, April 16. The hike will take place in Benton Ravine, also known as Ferncliff Wildflower and Wildlife Preserve. Participants will depart from the south end of the old K-Mart parking lot, 1745 Quentin Road, Lebanon, at 8:30 a.m. Hikers should bring a lunch, hiking boots or old shoes, and a camera, if desired. For details, call Jim M. Logan at 717-273-8438 or Jim C. Logan at 717-865-5522.

On Saturday, April 30, at trip to Hammer Creek for the observation of flora and fauna will be held. Participants should meet at 8 a.m. in the Horse Shoe Trail parking lot, Pumping Station Road and Route 322. Call Fritz Heilman at 717-273-0487 for details.

Warbler Walk No. 1 will take place on Tuesday, May 3, at State Game Land 156 by Miners Village. Attendees will meet at 8 a.m. at Miners Village ballfield. For details, call Jim Fiorentino at 717-269-0675.

Warbler Walk No. 2 will be held on Wednesday, May 4, at State Game Land 145 by Colebrook. Attendees will meet at 8 a.m. at the white barn off Epler Road between Route 117 and Colebrook Road. Call Fiorentino for details.

Warbler Walk No. 3 will be held on Sunday, May 15, near Obie and Mitchner's roads. Attendees will meet at 9 a.m. on Rexmont Road at the Old Rexmont Dam parking lot, just past and across from white corral fencing. Call Fiorentino for details.

A walk along the Lebanon Valley Rail Trail at Jonestown to observe flora and fauna will be held on Tuesday, May 17. Participants will meet at 9 a.m. at the Jonestown trailhead on Old Route 22, Jonestown Road. Contact Heilman for details.

Warbler Walk No. 4 will be held on Thursday, May 19, at Middle Creek Wildlife Management Area. Participants will meet at 9 a.m. at the Visitor Center parking lot. Call Fiorentino for details.