5) On Sunday, from 9 a.m. to 11 a.m., meet the staff of the Anita C. Leight Estuary Center at Conowingo Dam on the Harford County side to observe and photograph bald eagles fishing in the Susquehanna River below the dam. Bring your camera and biggest lens, or binoculars, to watch the action. Herons, cormorants, gulls, and vultures also should be abundant. Staff will offer tips on getting the most from nature photography opportunities. Details: 410-612-1688.