First State National Historic Park with Declan O’Neil
Blackburnian Warbler by Declan O'Neil Explore the Woodlawn Tract of First State National Historic Park, a lesser-known gem of northern New Castle County. With spring in full swing, we'll be looking and listening for over 20 possible warbler species on our walk along the Brandywine, in addition to vireos, thrushes, sparrows and anything else migration ... Read more