The Sibley Guide to Birds

Second Edition. Written and illustrated by David Allen Sibley. Alfred A. Knopf, Inc., 2014. Contains more than 6,600 beautifully detailed illustrations. Nearly every species is shown in flight and measurements are given for length, wingspan, and weight for every species. Other features include complete voice descriptions, an introductory page for each family or group of related families, clear and concise labels with pointers for identifying field marks, and birds are illustrated in similar poses to make comparisons between species quick and easy. 624 Pages. Flexibound cover.