Collins British Bird Guideの収益とダウンロード数

Collins British Bird Guide takes 264 of the most commonly seen British & Irish bird species from the award-winning Collins Bird Guide and presents them in the same easy-to-use practical format. Search for a species by location, time of year or plumage traits; browse the stunning illustrations by Killian Mullarney and Dan Zetterström; read the authoritative text by Lars Svensson; check distribution against the up-to-date maps taken from Bird Atlas 2007–2011; or listen to any of the hundreds of sound recordings. Praise for the Collins Bird Guide app: ‘It’s much more convenient than taking a big...