Ian Miller, Coastal Hazard Specialist with the Washington Sea Grant, presents “The Edge of the Sea: Scales of Change on Olympic Coast Beaches” at 7 p.m. Thursday, Feb. 28, at the Port Angeles Library, 2210 S. Peabody St.

Part of Olympic National Park’s Perspectives Winter Speaker Series, Miller’s presentation was originally scheduled for Feb. 12 but was postponed because of inclement weather.

Residents are encouraged to learn about Miller’s recent studies on Rialto and Kalaloch beaches, and investigations of sea level change on the Olympic Coast.

The Perspectives Winter Speaker Series is sponsored by Olympic National Park, the Friends of Olympic National Park and the North Olympic Library System.

Other presentations in the series include:

• 7 p.m. Tuesday, March 12 — “Predators and Prey: Columbian Black-Tailed Deer and Cougar Research on the Olympic Peninsula”

Kim Sager-Fradkin, wildlife biologist with the Lower Elwha Klallam Tribe, will share the results of a four-year study examining patterns of fawn and buck mortality on the North Olympic Peninsula, and will provide preliminary results on a study designed to answer questions about cougar population genetics, movement patterns and prey selection.

• 7 p.m. Tuesday, April 9 — “A Witness to Change”

Janis Burger, an interpreter at Olympic National Park’s Hurricane Ridge, will share photos and experiences gleaned over a 37-year career as a seasonal biological technician and longtime park interpreter.

For more information about Olympic National Park, visit www.nps.gov/olym. For more information about this and other upcoming events at your library, visit www.nols.org or email to discover@nols.org.