When they are mildly alarmed, they bunch together and murmur in agitation. These are immature males. As we get closer to spring, these immatures show startling white breasts. It pays too, to scan groups for an occasional King Eider, distinguished by its flaring orange bill shield. And so it goes.
Warblers are notoriously hard to keep separate.
Briefly the most common bird seen or heard everywhere even by the house and feeder. The authors are Kenneth L. Crowell, chair of the Deer Isle Conservation Commission, and his wife, Marnie Reed Crowell. Ken notes that while the book is written for Deer Isle, it should be useful throughout Maine, especially coastal towns. We encourage other Conservation Commissions to adapt it to their needs, substituting their cover and introduction and map and reproducing the text. This is the second nature guide produced by the Deer Isle Commission.