The migration of red knots calidris canutus rufa and turnstone arenaria interpres passing through Delaware Bay in 2003 /
Clark, N. A.(Nigel A.)
British Trust for Ornithology.
Delaware Coastal Programs.
Thetford : British Trust for Ornithology,
2004.
"This report was funded by the Delaware Coastal Programs Pursuant to United States National Oceanic and Atmospheric Administration Award No. NA170Z1117."
"February 2004."
Includes bibliographical references.
Red knot
Ruddy turnstone
Bird surveys