Merlin Bird ID by Cornell Lab is a premier bird identification app that helps users identify birds they see and hear. Powered by eBird, the world's largest database of bird sightings, sounds, and photos, Merlin offers four engaging ways to identify birds: answering simple questions, uploading a photo, recording a singing bird, or exploring birds in a specific region. Whether you're curious about a single bird or aiming to identify every bird you encounter, this free app from the renowned Cornell Lab of Ornithology provides the answers.

With features like expert ID tips, range maps, photos, and sounds, Merlin not only aids in identifying birds but also helps users build their birding skills. Users can discover a new bird species daily with personalized Bird of the Day, receive customized lists of birds based on location, and keep track of their sightings by building a personal list of found birds.

Merlin Bird ID stands out due to its integration of machine learning technology. Powered by Visipedia, Merlin Sound ID and Photo ID utilize machine learning to identify birds in photos and sounds. The app learns to recognize bird species based on millions of photos and sounds collected by birders at eBird.org, stored in the Macaulay Library at the Cornell Lab of Ornithology. This ensures the most accurate results, thanks to experienced birders who curate and annotate sightings, photos, and sounds.

In addition to its technological prowess, Merlin offers amazing content. Users can choose bird packs containing photos, songs, calls, and identification help for anywhere in the world, including regions such as Mexico, Costa Rica, South America, Europe, Africa, the Middle East, India, Australia, Korea, Japan, China, and more. This extensive content makes Merlin an invaluable tool for both novice and experienced bird enthusiasts.

Merlin Bird ID by Cornell Lab offers an extensive collection of bird-related content, making it a valuable resource for both casual birdwatchers and serious ornithologists. The app provides access to millions of photos, sounds, and sighting records from eBird, the world's largest database of bird observations.

The app's vast library includes bird packs for regions around the globe, featuring high-quality images and audio recordings that assist in identifying and learning about different species. These resources are carefully curated and authenticated by experienced birders and experts at the Cornell Lab of Ornithology, ensuring the highest standards of accuracy and reliability.

Users can trust the authenticity of the content as it is sourced from reputable contributors and archived in the Macaulay Library at the Cornell Lab. This guarantees that all materials, including photos, songs, and calls, are genuine and properly licensed, providing peace of mind while exploring the rich world of avian life.

One of Merlin Bird ID's strengths is its versatile format compatibility, which enhances the user experience by supporting various types of media. Whether you're uploading a photo or recording a bird's song, the app seamlessly processes these inputs to deliver accurate identifications.

The app leverages advanced machine learning algorithms developed by Visipedia to analyze images and audio files. This technology allows Merlin to recognize bird species from uploaded photos or recorded sounds, thanks to training sets comprising millions of examples collected by the birding community.

Furthermore, Merlin ensures that all data formats are compatible with its system, allowing users to engage with the app effortlessly. By maintaining high standards of usability and accessibility, Merlin Bird ID continues to be a leading choice for anyone interested in discovering more about the fascinating world of birds.