BEST BET

Monday Local underwater photographer Michael Eversmier will present his underwater images and talk about his experiences diving in the Chesapeake Bay, 7:30p.m., Oregon Ridge Nature Center, 13555 Beaver Dam Road, Cockeysville. Details: 410-887-1815.

BIRDING

Tuesday Learn about various types of nests and nesting materials used in construction of the nests — including their size, shape and location — 6 p.m., at the Chesapeake Bay Environment Center, Grasonville. Materials, supplies, guides, and incidentals needed for field work will be provided by CBEC. Cost: $7 CBEC members; $10 nonmembers. Information: 410-827-6694. To register: jwink@bayrestoration.org.

Saturday Migratory Bird Mini-Festival at the Anita Leight Estuary Center, 700 Otter Point Road, Abingdon, 3p.m.-5p.m. Appropriate activity for families. Games, crafts, bird walks and pontoon boat bird cruises. Cost: $3 per person or $10 per family. Call 410-612-1688 to register.

HIKING

Wednesday Join a volunteer ranger for a 2-mile hike with expansive views of the Patapsco River Valley, 6 p.m. Free. Wear sturdy shoes and bring water. Suitable for ages 7 and older. Meet in the Orange Grove Area of Patapsco Valley State Park, 5120 South St., Halethorpe. To register: 410-750-0674.

FYI

Mail calendar submissions to Outdoors Editor, The Baltimore Sun, 501 N. Calvert St., Baltimore, MD 21278-0001, or e-mail them to candy.thomson@baltsun.com.