Description
Merlin Bird ID by Cornell Lab is a powerful and free mobile application designed to assist users in identifying birds they encounter, whether by sight or by sound. Developed by Cornell University, the app leverages the vast eBird database, the world's largest collection of bird sightings, sounds, and photos, to provide accurate identifications.
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Merlin offers four distinct methods for bird identification: answering a few simple questions about the bird observed, uploading a photograph, recording a bird's song, or exploring birds within a specific region. This multi-faceted approach caters to various user preferences and situations, making bird identification accessible to everyone, from casual observers to dedicated ornithologists.
The app's core functionality is enhanced by expert identification tips, detailed range maps, high-quality photos, and authentic bird sounds, all of which contribute to a richer learning experience and the development of birding skills. A unique feature is the "Bird of the Day," which introduces users to a new species daily, fostering continuous learning and discovery. Merlin also provides customized lists of birds that can be found in the user's current location or travel destinations worldwide, encouraging exploration and local birding.
At its heart, Merlin utilizes machine learning through Visipedia for its Sound ID and Photo ID capabilities. These features are trained on millions of photos and sounds collected by birders and archived in the Macaulay Library at the Cornell Lab of Ornithology. The accuracy of Merlin's identifications is further bolstered by the curation and annotation efforts of experienced birders, who are instrumental in refining the app's performance. The Cornell Lab of Ornithology's mission to interpret and conserve Earth's biological diversity is supported by this app, which is offered free of charge thanks to the generosity of its members, supporters, and citizen-science contributors.
Merlin Bird ID is designed for a broad audience, including novice birdwatchers seeking an accessible entry point into the hobby, seasoned birders looking for a convenient identification tool, and families interested in exploring nature together. Its comprehensive content, covering birds from around the globe, makes it an invaluable resource for anyone curious about the avian world.
- CategoryOther AI Tools
- Pricing ModelFree
- DeploymentMobile app
- PlatformsiOS
Merlin Bird ID by Cornell Lab's Core Features
Identify birds by answering questions about their appearance.
Identify birds by uploading photos.
Identify birds by recording their songs and calls.
Explore birds found in specific regions.
Provides expert ID tips, range maps, photos, and sounds.
Features a daily 'Bird of the Day' for learning.
Generates customized lists of birds for specific locations.
Tracks personal bird sightings and builds a life list.
Utilizes machine learning for Sound ID and Photo ID.
Powered by the eBird database with millions of sightings, sounds, and photos.
Offers bird identification for locations worldwide.
Includes habitat photos to help locate birds.
Supports multiple languages for bird names.
How to use Merlin Bird ID by Cornell Lab?
Open the app: Launch Merlin Bird ID on your iPhone.
Choose identification method: Select Photo ID, Sound ID, or answer questions.
Provide input: Upload a photo, record a sound, or answer prompts about the bird.
Review results: Merlin will suggest possible bird identifications.
Learn more: Explore detailed species information, photos, and sounds for identified birds.
Track sightings: Save your identified birds to your personal list.
Merlin Bird ID by Cornell Lab's Use Cases
- Bird Identification
- Learning Bird Songs
- Developing Birding Skills
- Tracking Sightings
- Nature Exploration
- Educational Tool
- Travel Birding
- Citizen Science






