No charge, including any charge or part of a charge for distribution costs, may be made for a copy of the file. Commercial distribution forbidden, but links from commercial documents to this file are acceptable and encouraged. Although I have used information that I learned in the process of helping to write the Birds of Delaware , this list is a separate document and any errors in it are my responsibility only. For example, Fall shorebirds arrive as early as late June. Birds absent only in early February are listed as Winter.
Some species are much more common in one of the listed seasons than in others.
Species marked widespread are present in too many locations to tabulate, at least in the season in which they are most common. A limited number of sites are listed, so most species occur in some locations that are not listed in this table. WSUF Northern Bobwhite WSUF Bombay Hook NWR and sometimes the other refuges. NWR Clapper Rail WUSF Can be heard in The Refuges in spring and summer. Widespread Black-legged Kittiwake W Offshore.