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Merlin Bird ID by Cornell Lab

Merlin Bird ID by Cornell Lab

4.9
Rating
5,000,000+ Downloads
3.9.2 Version
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Information

  • Category: Books & Reference
  • Price: free
  • Age Rating: Everyone
  • Available on: /
  • Developer: Cornell Lab of Ornithology
  • Updated on: Jul 3, 2026
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"Merlin Bird ID by Cornell Lab" is a user-friendly app designed to help birdwatchers of all levels identify birds quickly and easily. By answering a few simple questions about the bird's size, color, and location, users receive a list of possible species. With a vast database of bird photos, sounds, and expert information, Merlin enhances your birding experience, making it accessible and enjoyable for everyone. Discover the joy of birdwatching with this powerful identification tool!

Features & Highlights

  • Intuitive Bird Identification: The app uses a simple question-and-answer format to help users identify birds. For instance, when I spotted a small, yellow bird flitting around my backyard, I was able to answer a few questions about its size and color, leading me to identify it as a Goldfinch.
  • Extensive Bird Database: With over 8,000 species included, the app provides a comprehensive resource for bird enthusiasts. I was amazed to find detailed information about the various birds I encountered during my hikes, including their habitats and behaviors.
  • Sound Recognition: The app features a sound library that allows users to listen to bird calls. One afternoon, while birdwatching in a local park, I heard a distinctive call and was able to match it to a recording in the app, confirming it was a Red-tailed Hawk.
  • Personalized Bird Lists: Users can create and save lists of birds they’ve identified. After a weekend of birdwatching, I compiled my sightings into a list, which I can refer back to and share with friends.
  • Offline Access: The app allows users to download bird information for offline use. This feature came in handy during a recent camping trip where I had no cell service but still wanted to identify the birds around my campsite.

Real Experience Using "Merlin Bird ID by Cornell Lab"

Application Scenarios

As an avid birdwatcher, I often find myself in various environments where the Merlin Bird ID app becomes an invaluable companion. One sunny Saturday morning, I decided to visit a local nature reserve. Armed with my binoculars and the app, I was eager to identify the feathered friends I would encounter. As I walked along the trails, I spotted a vibrant bluebird perched on a branch. I quickly opened the app, answered the questions about its size and color, and within seconds, I had confirmed it was indeed an Eastern Bluebird. This scenario is just one of many where the app has enhanced my birdwatching experience, allowing me to learn more about the species I see.

User Experience

The user interface of the Merlin Bird ID app is clean and intuitive, making it easy for both beginners and seasoned birdwatchers to navigate. The onboarding process is straightforward, guiding users through the identification process with clear prompts. I particularly appreciate the visual layout, which includes high-quality images of birds alongside their descriptions. The workflow is seamless; after identifying a bird, I can quickly access additional information, such as its habitat and feeding habits. Performance-wise, the app runs smoothly without any lag, even when I’m out in the field. Overall, my experience with the app has been overwhelmingly positive, as it not only helps me identify birds but also deepens my appreciation for nature.

Pricing

Merlin Bird ID by Cornell Lab is completely free to download and use, which is a significant advantage for anyone interested in birdwatching. There are no hidden fees or premium features that require payment, making it accessible for everyone, from casual birdwatchers to serious ornithologists. This free access allows users to explore the app's extensive features without any financial commitment, which I find incredibly appealing.

Updates & Support

The developers of Merlin Bird ID are committed to providing regular updates, ensuring that the app remains current with the latest bird species and identification techniques. I’ve noticed improvements in the app’s performance and additional features added over time, which shows their dedication to user experience. Support is readily available through their website, where users can find FAQs and contact information for further assistance. This level of support gives me confidence that any issues I encounter will be addressed promptly.

Security & Privacy Review

When it comes to security and privacy, Merlin Bird ID by Cornell Lab takes user concerns seriously. The app is available on both the App Store and Google Play, ensuring that it meets the security standards set by these platforms. Registration is not required to use the app, which means I can enjoy its features without providing personal data. This is a significant plus for privacy-conscious users like myself. Additionally, the app does not display ads or engage in tracking behavior, allowing for a distraction-free experience while I immerse myself in the world of birds. Overall, I feel secure using Merlin Bird ID, knowing that my privacy is respected.

Pros
  • Identifies thousands of bird species easily
  • User-friendly interface for all ages
  • Personalized birding guides tailored to location
  • Interactive features enhance learning experience
  • Community support fosters shared birdwatching excitement
Cons
  • Limited bird identification for less common species
  • User interface can be confusing for beginners
  • Lacks offline functionality for remote areas
  • Data accuracy may vary by region and season
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User Reviews

(173K Reviews)
  • Justin Mowbray
    2026/01/27

    I was really excited to use this app and start cataloging birds, however, the life list is not working properly. I cataloged three birds and they are not showing up on the life list. if this issue's fixed, I'd happily give it five stars. thank you for all the hard work you've done on this app! update: the app does show you your life list but only a day after, which seems odd. I do think another disappointing aspect of the app is that when you take a picture of a bird, it does not save it.

  • dana anderson
    2026/02/16

    I don't really like rating apps unless they leave a lasting Mark and that's what this app has done. I've always been interested in birds but never got around to actually learning how to identify them? this app makes it incredibly easy with the ability to identify them just by the noises they make. I've been in many states including Wisconsin, Minnesota, Colorado, Hawaii, and California and no matter where I go, it has been consistent in giving me accurate birds just based on a call.

  • Shea
    2025/05/16

    Great app! I love the info about birds, the pictures, the call recordings, etc! It's been so fun keeping an eye (and ear) out for the birds in my area, since it gets me off my phone & interacting with my surroundings for once! My criticisms: 1) I'm unable to see a list of birds that I've sighted for the DAY. All I'm able to do is see the TOTAL list of spotted birds. This affects my feelings of achievement. 2) There are too many steps to log a sighting each time. This affects motivation to log.

  • Melissa Blomquist
    2025/04/25

    Super easy to navigate. Offers up very specific species based on my location and other identifying factors. Also has an easy to use and accurate photo ID option. It has bird calls and songs for each species, and I enjoy playing them to hear the birds respond. I have even used it on bird watching walks to call in the birds to take better pictures. If there was one thing I would change about it, I would add a feature to share the beautiful audio recordings I have captured.

  • Jen K.
    2025/05/10

    I enjoy using this app. You can identify birds by sound, photo, or a visual description. It has photos of the birds in different stages, migration maps, and interesting details about each bird. You can download packs based on where you live or are traveling to. I live in the lower 48 but have also used it in Alaska and the Dominican Republic. I already have the European pack downloaded for my trip next month.

Review Source: Google Play store public user reviews.

FAQ

Does Merlin Bird ID by Cornell Lab collect my personal data?

Merlin Bird ID prioritizes user privacy and does not collect personal data unless explicitly provided for specific features. Always refer to the app's privacy policy for detailed information.

Does Merlin Bird ID by Cornell Lab offer a free trial or free version?

Yes, Merlin Bird ID offers a free version with a variety of features available at no cost, allowing users to explore bird identification without obligation.

Does Merlin Bird ID by Cornell Lab require an internet connection?

While some features, such as bird identification and accessing certain resources, may require an internet connection, many aspects of the app can be used offline after initial data downloads.

How can I contact support or send feedback for Merlin Bird ID by Cornell Lab?

For support or feedback, you can reach out through the app's help section or visit the Cornell Lab's official website for additional contact options and resources.

How do I manage or cancel my Merlin Bird ID by Cornell Lab subscription?

You can manage or cancel your subscription directly through the app store where you purchased it, by navigating to your account settings and following the prompts for subscription management.

How to use Merlin Bird ID by Cornell Lab

How can I contact Customer Service for the Merlin Bird ID app?

You can reach Customer Service through the app's Help section or by visiting the Cornell Lab of Ornithology's website for support options.

How do I log in to the Merlin Bird ID app?

Simply open the app and tap on the login option; you can use your email and password to sign in.

Is there a way to activate Merlin Bird ID after downloading?

The app does not require activation; simply download and start using it immediately.

What is the customer support number for Merlin Bird ID?

The customer support number is not directly provided; please use the app or website for specific contact details.

What's New

  • What’s new in 3.12:Observation Deck: Your Merlin home screen now features a swipeable daily feed showcasing Bird of the Day, stunning featured photos, and bite-sized bird tips! Each contains a full-screen view for photos and videos, plus a "Learn more" button to dive deeper into species accounts or related content.New language support for Kyrgyz and Welsh.Improvements and new species added to Photo ID
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