Rare Birds Along the Susquehanna

Rare Birds Along the Susquehanna. . , The Sheets Island Archipelago is designated by the Audubon Society as an Important Bird Area. Many migrating bird species use these islands for breeding and nesting., The largest nesting population of yellow-crowned night herons in the state can be found here along the river. Yellow-crowned night herons are an endangered species in Pennsylvania., Wade Island is the only known breeding site in Pennsylvania for the great egret and has the state's largest colony of black-crowned night herons. Both great egrets and black-crowned night herons are endangered species in Pennsylvania., Bald eagles and ospreys were once rare sightings along the Susquehanna River because of pesticide use and poor environmental conditions. Thanks to successful reintroduction efforts and improving habitat in the 1980s and 1990s, both bald eagles and ospreys can now be found thriving along the river., [Map and photo captions, left to right, read] , . The Sheets Island Archipelago (outlined in blue), . Yellow-Crowned Night Heron, . Black Crowned Night Heron, . [Eagle photo is uncaptioned], Visit the National Audubon Society website to learn more about migratory birds., Visit www.srbc.net for more information about the Susquehanna River Basin Commission.,