The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From TRG International:
VietnamBird is an iPhone and iPad application to introduce the world of birding in Vietnam, to not only birders, but also anyone who interested in discovering bird species in Vietnam. So, just close your eyes, transport and imagine yourself into the natural habitats of Vietnam and listen to songs from both endemic and some of the most endangered species only to be found in Vietnam.All proceeds generated from this application will be donated to bird conservation in Vietnam.Features:-10 bird species in this first release-Endemic birds in Vietnam are sorted by name-Birds are also searched by habitat, range, and conservation status. Help you to find the bird that you want quickly-Birds pictures and songs that help user easily recognize the bird.New in this Version:-5 new bird species-Photo credit for each bird picture-New layout on iPad to make it friendlier for userComing soon:-More birds species, more endemics, more images, more songs-Birds will be sorted by range, habitat and conversation status.IMPORTANT:VietnamBird is compatible with iPhone, iPod touch and iPad. Requires iOS 3.1.3 or later.