The next “Backyard Birding” class is “Birds: The Inside Story (Bird Anatomy and Biology),” held at 10 a.m. on Saturday, March 7, at the Dungeness River Audubon Center at Railroad Bridge Park, 2151 W. Hendrickson Road.

Presented by Shirley Anderson and Ken Wiersema, the seminar — the sixth in the 10-part birding series — includes information on the physical features and biology of birds — how they eat, digest, breathe, sing, reproduce and fly.

Participants will learn from a collection of bird skeletons, feathers and feet along with new graphic illustrations and recorded sounds.

Hosted by the Olympic Peninsula Audubon Society, this series of classes is intended for residents of this area interested in knowing more about wild birds and learning how to develop good habitats for them. Presented from 10 a.m.-noon on Saturdays, “Backyard Birding” can be taken either as an individual class or as a series.

Tuition for each session is $5, or free for anyone younger than 18.

Upon completion of five sessions, participants are offered free membership in the Olympic Peninsula Audubon Society for one year.