Downeast Audubon is leading a bird walk at Sieur De Monts Spring in Acadia National Park on Sunday, June 11 at 7 am. This is one of the most popular areas in the park for birding, known for its warblers. Bird along the boardwalk and Jesup Trail for a relatively level walk through several habitat types. The walk will be led by Sue Shaw. For more information, visit www.downeastaudubon.org.