Merlin Bird ID by Cornell Lab App - App Store
Download Merlin Bird ID by Cornell Lab by Cornell University on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Merlin Bird…
Overview

Added
March 17, 2026
Subject & domain
life-health · animals-behavior
Grade range
Grade 4–Grade 12 (Senior)
Pricing
Free
Page kind
Mobile App
Introduction
Merlin Bird ID: App Overview
- Core Functionality: A free bird identification app developed by the Cornell Lab of Ornithology, powered by the eBird database and machine learning (Visipedia).
- Identification Methods:
- Sound ID: Records and identifies birds by their songs and calls.
- Photo ID: Analyzes uploaded photos to identify species.
- Guided ID: Asks a series of simple questions to narrow down possibilities.
- Explore: Provides lists of birds found in specific regions globally.
- Key Features:
- Includes range maps, expert identification tips, and extensive libraries of bird photos and sounds.
- Personalized "Bird of the Day" and tracking for personal life lists.
- Global coverage including North/South America, Europe, Africa, Asia, and Australia.
- Technology & Data:
- Uses machine learning trained on millions of sightings, photos, and sounds archived in the Macaulay Library.
- Results are curated and annotated by experienced birders.
- User Feedback & Experience:
- Highly regarded for educational value, accessibility for beginners, and mindfulness benefits.
- Users note that while powerful, the app is not infallible and sometimes struggles with similar-looking or similar-sounding species.
- Some users have reported UI/UX frustrations following recent updates, particularly regarding navigation and data management (e.g., saving/reloading recordings).
- Technical Requirements:
- Developer: Cornell University.
- Size: 378.4 MB.
- Compatibility: Requires iOS 18.0+ (iPhone) or macOS 15.0+ (Apple M1 chip or later).
- Latest Update (v3.8.4): Includes expanded species coverage for Central/South America, Australia, Hawai’i, the Caribbean, Taiwan, and India, along with an improved "Explore" experience and seasonal birding suggestions.
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