You are downloading the Bird Sounds XAP file v18.104.22.168 for Windows Phone. Bird Sounds is a free and useful Books & Reference app: This is a Free version containing only 25 species.Experience over 900 high-quality sounds (song, call, alarm, etc.), covering 307 bird ... You can now download the offline XAP file to install & try it.
Download Locations for Bird Sounds 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Bird Sounds XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.