books.google.co.jp - Describing all of Colombia's birds, Steven Hilty and William Brown bring together information on one of the world's largest avifaunas-nearly 1,700 species. Over half of all the species of birds in South America are included, thus making the book useful in regions adjacent to Colombia, as well as in the...http://books.google.co.jp/books/about/A_Guide_to_the_Birds_of_Columbia.html?hl=ja&id=kHa6tJNKGDAC&utm_source=gb-gplus-shareA Guide to the Birds of Columbia
