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Merlin Bird ID by Cornell Lab of Ornithology
Free
What's that bird? Merlin Bird ID helps you solve the mystery in 5 questions, or with a photo of a bird. First, Merlin asks you a few simple...
iOS
eBird by Cornell Lab of Ornithology
Free
eBird Mobile makes it easy to record the birds you see in the field, and seamlessly link these observations with eBird.
iOS
Project FeederWatch
Free
Do you feed birds. You can report what you see for science.
iOS