Merlin Bird ID App to Feed Birdsong Data Into Global Biodiversity Project in Major Conservation Boost
Cornell Lab’s popular AI-powered bird identification app will soon contribute millions of birdsong records to the global eBird database, strengthening wildlife monitoring and biodiversity conservation worldwide.
The popular Merlin Bird ID app is set to play a much larger role in global biodiversity conservation by allowing birdsong recordings collected by users to be integrated directly into eBird, one of the world’s largest citizen-science biodiversity databases. Conservationists say the move could dramatically improve the monitoring of bird populations across the globe.
Developed by the Cornell Lab of Ornithology, the free app has used artificial intelligence since 2021 to identify bird species almost instantly through their songs and calls. The upcoming integration will enable users’ verified recordings to contribute directly to scientific datasets used by researchers, conservation organizations and policymakers.
The eBird platform already contains more than 2 billion bird observations, making it one of the world’s most comprehensive biodiversity databases. By incorporating Merlin’s real-time acoustic detections, scientists expect to gain richer and more frequent information about bird distribution, migration patterns and population changes.
The initiative comes at a critical time as many bird species continue to face pressure from habitat destruction, climate change, pollution and disease. Researchers believe millions of additional audio observations collected by everyday users could help detect declines in vulnerable species much earlier than traditional monitoring methods alone.
Merlin’s popularity has grown rapidly around the world. The app has now been downloaded more than 40 million times across 240 countries, while nearly 2 million people in the United Kingdom used it during May 2026 alone to identify birds in gardens, parks and countryside habitats. The platform currently supports identification of more than 2,000 bird species and continues to expand.
Scientists say citizen science has become an increasingly valuable tool for biodiversity research, allowing ordinary people to contribute meaningful environmental data on an unprecedented scale. Every additional verified observation helps researchers better understand changes in ecosystems and develop more effective conservation strategies.
At the same time, experts caution that AI-powered bird identification is not infallible. Occasional misidentifications remain possible, particularly in noisy environments or when multiple bird species are vocalizing simultaneously. Researchers say quality-control systems and expert validation will continue to play an important role in ensuring the scientific reliability of the expanded database.
Conservationists view the integration of Merlin and eBird as another milestone in the use of artificial intelligence for environmental protection. By combining advanced machine learning with the observations of millions of nature enthusiasts, the project is expected to generate one of the most detailed real-time datasets ever assembled for monitoring global bird populations and guiding future biodiversity conservation efforts.
