books.google.com.au - See what’s new in the Second Edition: · Number of species included is increased from 6300 to over 8700, about 85% of the world’s birds · Better data for many of the species included in the first edition — an exhaustive compilation of new data published from 1992...http://books.google.com.au/books/about/CRC_Handbook_of_Avian_Body_Masses_Second.html?id=TcnOTPILlcEC&utm_source=gb-gplus-shareCRC Handbook of Avian Body Masses, Second Edition
