Free Merlin Bird ID App for iPhone and Android

Merlin Bird ID is a free birdwatching app from the Cornell Lab of Ornithology. It suggests birds from a photograph, a recording or your answers about what you saw, and includes a reference guide with pictures and bird sounds. Use the provider’s download page to find the official app in your device’s store. UK users can download it without a subscription or credit card. Set up the app with your email address and confirm it when requested. The provider uses email for birding updates and conservation support messages; you can unsubscribe. Download regional bird information before an outing if you want to use the guide offline. Identification suggestions are a starting point and may be incorrect.

The app is free to download and use. A compatible device, app-store access and an internet connection for installation are required; usual mobile data charges may apply. The provider currently lists iOS 18 or newer and Android 7 or newer. Check the store listing for your device. Email confirmation is required after the initial five-day access period; this does not convert to a paid subscription. Cornell may email birding and conservation information, with an unsubscribe option. Sound identification coverage varies by species and location. Photo and microphone permissions are needed for the corresponding features. No closing date is stated.

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