www.hbw.com all of the contents of the acclaimed 17-volume HBW series constantly updated and making full use of the new technologies of the digital era.
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13,367 pages written by 277 authors c. 15 million words 1,030 plates painted by 33 artists 20,617 bird figures 10,200 maps c. 100,000 bibliographical references
Detailed information, high-quality illustrations, precise distribution maps and many more materials for all of the species and families of birds of the world at your fingertips for less than 2.50 € per month!