About
eBird is the world's largest birding database and citizen science platform, developed by the Cornell Lab of Ornithology. It empowers birdwatchers of all levels to log sightings, explore range maps, discover nearby hotspots, and track personal lists — all completely free of charge. At its core, eBird transforms individual observations into a massive, real-time data resource used by scientists, conservationists, educators, and policymakers worldwide. Sightings submitted by millions of birders fuel peer-reviewed research, inform hundreds of conservation decisions annually, and support thousands of student projects each year. Key capabilities include the eBird Status and Trends tool — offering animated abundance maps and migration visualizations — and community-curated hotspot pages that help birders discover top birding locations globally. Users can archive photos and sounds alongside their checklists, building a personal multimedia library of their birding history. The eBird Mobile app (iOS and Android) enables offline data entry in the field, automatic GPS-based location detection, and instant access to personal stats and lists. Integration with tools like Merlin Sound ID further enhances bird identification using AI-powered audio recognition. eBird is ideal for casual hobbyists who want to track their life list, serious researchers who need reliable occurrence data, and conservationists monitoring population trends. Supported entirely by grants and donations, it is a trusted cornerstone of modern ornithology and citizen science.
Key Features
- Sighting Submission & Checklists: Log bird sightings from the field or desktop with offline-capable mobile entry, attaching photos and sounds to personal checklists.
- Bird Hotspot Discovery: Explore community-curated birding hotspots worldwide with wiki-style descriptions, recent sightings, and grouped location recommendations.
- Status & Trends Maps: Visualize animated abundance maps and bird migration patterns built from millions of community observations across the globe.
- Personal List Tracking: Automatically tally life lists, year lists, and location-based lists with a full archive of your sighting history, photos, and recordings.
- Citizen Science Data Contribution: Every submitted sighting feeds into peer-reviewed research, conservation planning, and ornithological studies used by scientists worldwide.
Use Cases
- A birder traveling internationally uses eBird hotspot maps to discover the best birding locations and recent species sightings at their destination.
- A conservation biologist accesses eBird occurrence data to track population trends for a migratory shorebird species across multiple years.
- A student researcher uses eBird's publicly available datasets to analyze the effects of climate change on bird migration timing for a university thesis.
- A hobbyist birder logs daily observations via the mobile app to build and maintain their life list, year list, and county list over time.
- An environmental organization uses eBird's Status and Trends maps to prioritize habitat protection efforts for species showing regional abundance declines.
Pros
- Completely Free: All core features — checklists, maps, list tracking, mobile apps, and data access — are available at no cost to users.
- Real Scientific Impact: User contributions directly support hundreds of conservation decisions and peer-reviewed publications each year, giving hobbyists meaningful scientific reach.
- Massive Global Community: As the world's largest birding database, eBird provides access to real-time sighting data from millions of contributors across every region of the globe.
- Multilingual Mobile App: The iOS and Android app supports 27 languages and works offline, making it practical for international birding trips in remote areas.
Cons
- Niche Focus: eBird is purpose-built for bird observation and citizen science — it has no utility outside of ornithology or wildlife data contexts.
- Data Quality Dependent on Community: Accuracy of hotspot data, species occurrence records, and range maps relies heavily on the consistency and expertise of volunteer contributors.
- Learning Curve for New Birders: New users unfamiliar with species identification or scientific checklist protocols may find the submission workflow and taxonomy conventions confusing at first.
Frequently Asked Questions
Is eBird free to use?
Yes. eBird is completely free, including the mobile apps for iOS and Android, all mapping tools, list tracking, and data access. It is supported by grants, sponsors, and donations.
How does eBird use my sightings?
Your submitted sightings are aggregated into eBird's global database, which powers scientific research, conservation decisions, peer-reviewed papers, student projects, and tools like Status & Trends maps.
Can I use eBird offline?
Yes. The eBird Mobile app (iOS and Android) supports offline data entry, allowing you to log checklists in areas without internet connectivity and sync them later.
What is eBird Status and Trends?
Status and Trends is an eBird science product that uses machine learning and community observations to generate animated abundance maps and migration visualizations for thousands of bird species.
Who created eBird?
eBird is a project of the Cornell Lab of Ornithology at Cornell University and is supported through grants, partnerships, and community donations. It was launched in 2002 and has grown into the world's largest citizen science biodiversity database.
