Published by Cornell Lab of Ornithology on Nov 11, 2024

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About Merlin Bird ID by Cornell Lab

1. Merlin learns to recognize bird species based on training sets of millions of photos and sounds collected by birders at eBird. org, archived in the Macaulay Library at the Cornell Lab of Ornithology. • Merlin delivers the most accurate results thanks to experienced birders, who curate and annotate sightings, photos, and sounds, who are the true magic behind Merlin. • Choose bird packs that contain photos, songs, and calls, and identification help for anywhere in the world, including Mexico, Costa Rica, South America, Europe, Africa, the Middle East, India, Australia, Korea, Japan, China, and more.

2. Whether you’re curious about a bird you’ve seen once or you’re hoping to identify every bird you can find, the answers are waiting for you with this free app from the renowned Cornell Lab of Ornithology. • Expert ID tips, range maps, photos, and sounds help you learn about the birds you spot and build birding skills. • Get customized lists of birds you can find where you live or travel - anywhere in the world! • Powered by Visipedia, Merlin Sound ID and Photo ID uses machine learning to identify birds in photos and sounds.

3. Merlin is unlike any other bird app—it's powered by eBird, the world’s largest database of bird sightings, sounds, and photos.

4. Merlin Bird ID helps you identify birds you see and hear.

5. Answer a few simple questions, upload a photo, record a singing bird, or explore birds in a region.

6. Just like magic, Merlin Bird ID will help you solve the mystery.

7. The Cornell Lab of Ornithology’s mission is to interpret and conserve the Earth’s biological diversity through research, education, and citizen science focused on birds and nature.

8. Merlin offers four fun ways to identify birds.

9. We are able to offer Merlin for free thanks to the generosity of Cornell Lab members, supporters, and citizen-science contributors.

10. Ask Merlin—the world’s leading app for birds.

11. What's that bird?

Merlin Bird ID Customer Insights

1. I hope they work out the kinks, I'd love to use the sound id.I am so pleasantly surprised at how good this app is! It is super dependable about picking up (live via recording from my phone) and identifying birds with incredible accuracy.

2. The features such as looking at results to see a variety of pictures of the bird plus recordings of their calls? I love it! I'll regularly play calls back to birds and draw them in within 10 feet and I'm able to get a good look at them.

3. The only feature I would like to see be a little better is that the provided sample recordings (after the bird has been identified) don't necessarily match even closely to the song or call that you've just recorded, since it IDs the particular call in the recording it would be nice to highlight a sample recordings that also contained that call.This app was wonderful.

4. Finally, using Android and IPhone simultaneously, each phone picked up a few birds the other did not.Absolutely FREE! NO ADS! Simply the best bird watching and identifying partner you could have.

5. I am giving it another try in case it glitched but... we'll see.I absolutely love this app! This has been the greatest experience learning about birds around my property and realizing the birds I never realized we're here! Lately, the app has been freezing and crashing.

6. Unfortunately, the birds highlighted are not in sync with the recording.I see here and searching online that a lot of people are having trouble with the Sound ID feature.

7. I was among several different species of birds all singing at once and it picked them all out and identified them, it even picked up a Crow call that was a long way away that I didn't notice until playing back the audio.

8. You learn so much, you can log the birds that you discover, it's absolutely amazing.Love the app, but it locks up whenever recording sounds in the background, even momentarily.

9. For me it is great at identifying and confirming birds and their calls in my area, so far it seems very accurate and informative.

10. I love the list that drops down and lights up to show which bird song you are hearing, as well as showing you a list of other recordings to hear from to further help identification.

11. I had been using a different app but it was not nearly as accurate or able to distinguish particular species and their songsThe app overall is fantastic! I reserved a star though as it still needs a few tweaks.

Steps to Troubleshoot & Fix Merlin Bird ID Issues

1. Fix Merlin Bird ID Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Merlin Bird ID: Restarting the app will resolve most errors.
  2. Update the Merlin Bird ID App. Here is how:
    1. On Android goto PlayStore » Search for "Merlin Bird ID" » Open Merlin Bird ID by Cornell Lab » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Merlin Bird ID » click "UPDATE".
  3. Clear Merlin Bird ID by Cornell Lab app cache: Clearing cached data will force your app to retrieve the latest data directly from Merlin Bird ID servers.
    1. On Android, goto Settings » Apps » Select "Merlin Bird ID by Cornell Lab" » click Storage » click "Clear Cache".
  4. Check Merlin Bird ID app permissions. If any of these permissions required to use your device's features are disenabled, Merlin Bird ID might not work.
  5. Uninstall and reinstall Merlin Bird ID. If nothing else has worked, completely uninstall Merlin Bird ID then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Merlin Bird ID not working


2. Fix Merlin Bird ID Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Merlin Bird ID be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Merlin Bird ID not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Merlin Bird ID may not be able to connect to the Internet when running in the background.

Reported Issues

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