Merlin Bird ID by Cornell Lab of Ornithology for iOS

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Key Details of Merlin Bird ID by Cornell Lab of Ornithology

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...
Last updated on July 9, 2025
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Developer’s Description

By Cornell University

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...

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 questions. Then, almost like magic, it reveals the list of birds that best match your description. Pick your bird, then delve into more photos, sounds, and ID tips about your bird. If you have a photo, Merlin can help there as well. Take a photo, or choose one from your photo gallery, and Merlin will offer a list of birds that best match your photo. Merlin is fun and easy to use--whether you're curious about a bird you've seen once or you're hoping to identify every bird that comes to your feeder. The answers are waiting for you with this free field guide app from the renowned Cornell Lab of Ornithology. Features. Merlin will now identify a photo. Select your photo, tell Merlin where and when you took it, and you'll see a short list of suggested identifications. Download bird packs containing the species of your region, reducing the app size. Created for beginning and intermediate bird watchers, Merlin identifies the 1, 350 most common bird species of the continental United States, Canada, Mexico, northern Central America and Europe. Explore birds by location and date with a list of species seen in the area. Intelligent results. No more scanning through hundreds of possibilities. Merlin shows the birds near you that fit your description. Customized location and date tools generate best answers for your neighborhood and time of year. Powered by eBird to deliver the most accurate results based on millions of sightings from bird watchers across North America. Enjoy more than 8, 000 photos of birds, including males, females, and juveniles. Learn ID tips from Cornell Lab of Ornithology experts. Listen to beautiful bird sounds, including songs and calls for each species from the Macaulay Library at the Cornell Lab of Ornithology. It's all free. The Cornell Lab of Ornithology's goal is to help you and millions of others to learn about birds. Merlin is the most advanced bird guide app available, and is expanding to new regions of the world. Merlin Bird ID currently includes bird identification help for the United States with regional packs for the: Northeast, Southeast, Midwest, Rocky Mountains, Southwest, Texas and Oklahoma, Alaska, and West Coast. Canada is covered by Eastern Canada and Western Canada packs. Mexico bird identification is available for each region of the country. Central America packs include Guatemala and Belize. Bird identification help is also available for Europe with our Great Britain and Ireland pack. About Photo ID. Powered by Visipedia, Merlin Photo ID uses computer vision technology to identify birds in photos. Merlin learns to recognize bird species based on training sets of hundreds of thousands of photos from birders at eBird.org. When using photo ID, enter the date and location where you took the photo; those clues improve Merlin's accuracy by helping it focus on the species you most likely encountered there.