4450135
9780123569554
Illustrated by over 200 photographs, this book includes newly discovered field marks. All 22 species found in North America are described, plus four more that can be expected as vagrants or occasional visitors in the near future, and juvenile males.Howell, Steve N. G. is the author of 'Hummingbirds of North America: A Photographic Guide - Howell Steve N. G. - Paperback' with ISBN 9780123569554 and ISBN 0123569559.
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