The Sibley Field Guide to Birds of Eastern North America
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The Sibley Guide
to Birds East and West were both published in April 2003. They use the
same artwork from the original Sibley Guide to Birds. These employ a
different design, with each page divided into top and bottom halves,
and the species info fit into that space (see sample pages here). No
changes were made to the artwork, but fewer illustrations are used in
these smaller books. The text was largely rewritten. The largest differences
being that the voice descriptions are cut, and a sentence or two was
added to each species describing the general status and habitat. Finally,
the maps were completely revised for these books, using a team of over
100 experts from around the continent, compiled by Paul Lehman
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