Merlin Bird ID by Cornell Lab

Merlin Bird ID by Cornell Lab

  • Category: Reference
  • Release Date:
  • Current Version: 1.3.8
  • Adult Rating: 4+
  • Developer: Cornell University
  • Compatibility: Android
9,156 Ratings
$ 0

Merlin Bird ID by Cornell Lab App

What's that bird? Merlin Bird ID helps you solve the mystery in 5 questions, or with a photo of a bird. First, Merlin asks you a few simple questions. Then, almost like magic, it reveals the list of birds that best match your description. Pick your bird, then delve into more photos, sounds, and ID tips about your bird! If you have a photo, Merlin can help there as well. Take a photo, choose from your camera roll, or snap the viewfinder of your zoom camera, and Merlin's powerful AI will suggest an identification almost instantly. Merlin is fun and easy to use—whether you’re curious about a bird you’ve seen once or you’re hoping to identify every bird that comes to your feeder. The answers are waiting for you with this free field guide app from the renowned Cornell Lab of Ornithology. Features • Created for birders and bird watchers of every level, Merlin identifies the 2,000+ most common bird species of the continental United States, Canada, Mexico, Central America and Europe. • Merlin will now identify a photo using powerful deep learning algorithms. Select your photo, tell Merlin where and when you took it, and you'll see a short list of suggested identifications. • Bird packs available for United States, Canada, Mexico, Europe, Guatemala, Belize and Costa Rica, with more coming soon. • Explore birds by location and date with a list of species seen in the area. • Intelligent results. No more scanning through hundreds of possibilities! Merlin shows the birds near you that fit your description. • Customized location and date tools generate best answers for your neighborhood and time of year. • Powered by eBird to deliver the most accurate results based on millions of sightings from bird watchers across North America. • Enjoy more than 15,000 photos of birds, including males, females, and juveniles. • Learn ID tips from Cornell Lab of Ornithology experts. • Listen to beautiful bird sounds, including songs and calls for each species from the Macaulay Library at the Cornell Lab of Ornithology. • It’s all free! The Cornell Lab of Ornithology’s goal is to help you and millions of others to learn about birds.​ Merlin is the most advanced bird guide app available, and is expanding to new regions of the world. ••• Bird Packs ••• Merlin Bird ID currently includes bird identification help for the United States with regional packs for the: Northeast, Southeast, Midwest, Rocky Mountains, Southwest, Texas and Oklahoma, Alaska, and West Coast. Canada is covered by Eastern Canada and Western Canada packs. Mexico bird identification is available for each region of the country. Central America packs include Guatemala, Belize, and Costa Rica. South America packs include the Medellín region of Colombia. Bird identification help is also available for Europe with our Great Britain and Ireland pack, a Western Europe pack, and a pack covering the Scandinavian countries. These packs make Merlin the perfect pocket Bird Guide to North America, Bird Guide to Mexico, Bird Guide to Guatemala, Bird Guide to Belize, Bird Guide to Costa Rica, Bird Guide to Europe, Bird Guide to Great Britain, and Bird Guide to Scandinavia. ••• About Photo ID ••• Powered by Visipedia, Merlin Photo ID uses computer vision and deep learning technology to identify birds in photos. Merlin learns to recognize bird species based on training sets of millions of photos from birders at When using Photo ID, enter the date and location where you took the photo; those clues improve Merlin’s accuracy by helping it focus on the species you most likely encountered there.


Merlin Bird ID by Cornell Lab app screenshots

Merlin Bird ID by Cornell Lab app reviews

  • My bird ID’ing just got ridiculously easy 5/5

    By Emery8
    This app is one of the best out there. The normal ID search is incredibly helpful, the photo ID search is amazing. Choose one of your bird pictures, it will bring up a very short list of contenders. Love it!
  • Love this app! 5/5

    By Ab080892
    Amateur bird watcher and this is a great app.
  • Great for localizing and vocalizing backyard birds 5/5

    By kronie
    Appreciate all the data going into the app, and impressed by the data labeling efforts to get a decent match from submitted pictures. Next feature, matching recorded bird calls to their correct species (SoundHound like)?! Thanks, keep it up!
  • Excellent for amateurs (like me!) 5/5

    By colinoscopy83
    This app has been a godsend for an amateur like me! I have definitely wanted to learn more about the birds in my community and all my travels, but would never think to bring a field guide. This allows me to identify and learn about birds by using only a few characteristics (such as location, date, colors, and where I saw the bird certificate). Not only that, by comparing to other birds it teaches me how to distinguish between species as well. Would highly recommend for anyone trying to up their birding skills!
  • Great for on-the-go bird ID 5/5

    By Slywatcher
    Well-designed and easy. After using this for several years I still love it. The developers continue to refine it. Highly recommended!
  • Really helps narrow down 5/5

    By brcummin
    On a family vacation in Florida, we had several birds and had fun discussing which was which. We each had resources and debated the bird. Merlin seemed to lock into the final choice. Fun!
  • Mostly love the app, but... 3/5

    By Sunset333
    I'm a total novice about birds and downloaded app when I moved from San Francisco to the Gulf Coast of Florida and became fascinated with my local birds. I had mostly the same birds for years, so deleted the app. After a recent move, I've been trying to use the app and have had some issues. 1) The location packs- my region only had 300-400 species and I didn't see some of the ones that I was looking for. I ended up downloading the Gulf of Mexico pack instead of SE United States because there were more and more relevant bird species. 2) I was trying to identify and distinguish some of my birds from photos from a few years ago and I couldn't find a year option in the date. If the year option is there, it's unclear. I would have liked to have known if I saw my birds through various life stages or if they were different birds 🙁 Otherwise, it's been fun to use the app to identify birds I photograph and learn about them. I'm really getting into birdwatching! Without more separation between regions and no year option, I can't imagine the app being very useful other than very basic bird identification. I did end up downloading other Cornell apps, so maybe this is a starter and you can progress to more involved/detailed identification as your interests broaden. Overall great app, very useful 👍🏻
  • doesn’t save identifies birds 3/5

    By chabaibeh
    this app is AMAZING for identifying birds, especially since i live next to a state park with over 100+ species of birds, and I frequently travel all over the country, but it’s frustrating that when you ID a bird, that there is no list you can go to later on showing which birds you’ve previously identified. It seems like such a simple feature that could be added to this app. Such a small fix that would make this application a solid 5 stars, but until then I have to keep my review at 3 stars.
  • Love it! 5/5

    By Rowan racer
    This is a great birding app. I have been testing over and over and it always gets it right! Merlin is great. You have to get this app. Any bird lover should have it.
  • Very helpful 5/5

    By PhobosDMus
    Very useful bird identifier, especially if you are not familiar with the local species.
  • Love this! 4/5

    By JulinDE123
    The app is helping me get familiar with birds I haven’t seen before - just starting out after moving to Germany. Only problem is my lack of experience and poor quality pics - sometimes I’m not positive I have a match.
  • Love it 5/5

    By LoJo13
    I love birding and photography. This is my go to app for ID of a bird I don’t know. I can identity from description or a photo!! Fantastic!
  • Great starter app 5/5

    By jbaitinger
    I was able to identify and learn about the birds in my yard with ease! Love it!
  • Great app 5/5

    By chaplaincheech
    I thoroughly enjoy this app. One of my favorite features is the sound identification. I will often play the sounds for the birds in the trees near my back patio and listen to them answer back. One feature I would like to see added is a ‘my birds’ section where I can keep a record of the birds that I identify. Well worth the download. I have never had any issues with it freezing up or closing out.
  • Just what I was looking for! 5/5

    By Ctrmom08
    I love this app! It helps me identify birds I see at home and where ever I go! It has pictures, bird calls and great descriptions! I am enjoying my new hobby thanks to this app!💕
  • Fun and Informative 5/5

    By JWEng83
    I like to know the names of the birds I am seeing. We are back and forth across the US quite a bit and the bird packs for specific parts of the country are helpful when identifying birds in places I’m less familiar. Even just in my own back yard it’s fun to learn about the birds visiting my feeders. And I love that recordings of their calls and songs are available as well!
  • Awesome 5/5

    By Shelbiooooo
    Great app
  • Great tool at home and on trips 4/5

    By Avitaza
    I use this app quite a bit. It has helped me identify birds from coast to coast.
  • Great app 4/5

    By Easyalibi
    Love the app but would to keep a “my bird” list of birds I have seen anywhere
  • Essential backyard birding tool 5/5

    By Burbanktom
    Having recently moved to TX from another part of the country, I know very little about the varieties of birds I see at my feeder. This app allows me to identify what I see and learn a bit about them. I love this app!
  • Excellent app! 5/5

    By Rangerbill 1
    Intuitive and well thought out! A series of questions leads to a list of possibilities that has always included my bird! Fun, quick, and easy way to ID your bird of the moment. Thanks! A big help here at Harris Neck GA, as always! Very useful! Thanks!
  • Great app, and always improving 5/5

    By Ben010011
    Easy to use, good selection of photos and sound recordings for each species. Cornell lab of Ornithology regularly adds functionality. Would be nice to have a few more details about each species in the descriptions.
  • Good App 5/5

    By pleasehelpmecausecnnsucks
    I’m not a big bird watcher but am often curious about birds in the neighborhood. This app always identifies the birds I see. Very good app.
  • Great app 5/5

    By Upton O. Good
    Had ornithology a number of years ago, used Roger Peterson’s field guide for many years. This app is easy, fast and accurate.
  • Good basic app 4/5

    By Flipped oner
    Easy to use and I enjoy looking up and listening to the calls. Now when I’m out and hear a bird, I can associate it to the type.
  • Best bird app! 4/5

    By Lovelo12
    Love this app, use it almost daily. We’ve identified many birds around us. I love the detail and pictures of the differences between adults, juveniles, male, female. Being able to listen to the calls is so fun. My only wish is that we could catalog the birds we’ve identified.
  • Great app 5/5

    By crcurler
    So helpful to new birders. I really like to use it to help me I’d and then I go elsewhere for more info about the birds if I want.
  • BEST BIRDING APP👏🏼👍🏼👏🏼👍🏼👏🏼👍🏼 5/5

    By Mahealani30
    A friend inspired an interest in Birding and suggested downloading the Merlin app. I am a “bird lister” and the app is very easy to navigate. Also, I like the different categories for sounds and maps. Thank you for helping me with Birding.
  • Wonderful ID Help 5/5

    By Skip48
    The new picture ID is very nice and helpful! Love the app!
  • Great bird info 5/5

    By jvb Iii
    This Cornell app is excellent with comprehensive bird information, good bird pictures, and great recordings of bird calls. We have recommended it to friends who also think it is great. Highly rated and thanks.
  • Great way to key out birds 5/5

    By Velmadonna
    Love, Love, love the app, my only small criticism is that, while the photos to help you ID the birds are beautiful, they don’t always show all the aspects. I have to go to Sibley’s or Peterson’s for some specifics- especially for juveniles. Also, when swiping right or left on photos, it often bumps me back a page.
  • Bird-fection😉 5/5

    By IrishLib
    My husband and I love to watch the birds that reside in our trees and those who visit our feeders. Just this morning we’ve had Bluejays, cardinals, a red-bellied woodpecker, sparrows and a few that I’m identifying right now, using my Merlin Bird app. I’ve Identified quite a few birds with my app and really love it. I’ve shared it with friends who also enjoy our love of birdwatching! This is truly my favorite app!
  • Better than a book 5/5

    By Padre man
    This app was recommended to me by my local Wild Birds Unlimited. Everything from the Cornell group is great and this app is no different. Now we can watch the birds at our feeders and quickly identify them. We now know more bird names than ever. I love this wonderful app.
  • Amazing app, but... 5/5

    By Twhrider
    I really enjoy this app and the ease of use when identifying the birds in my yard. I’m amazed at how many different species of birds there are. They’re all beautiful! BUT, my only complaint is there’s no way to save the birds I’ve identified so I can share with my neighbors or study those specific birds more. That would be a great upgrade to this very useful app.
  • Great app!! 5/5

    By Tobymzig
    I'm a novice and this app is incredibly helpful!
  • Nice free app 4/5

    By wvred859
    Makes identifying birds so easy.
  • Very Good 4/5

    By R2JsB
    Makes identifying any bird (so far) a snap. Great features, like calls.
  • Great free birding app 5/5

    By Alleycat916
    Easy to use and fun.
  • Great for Identification, needs improvement 4/5

    By Hail State!
    This is a great app for identifying birds, especially for new bird watchers. However, it would be better if it had a way of keeping up with the birds identified. When the user clicks “yes, this is my bird” the app should add that bird to a list for the user to be able to go back and see the birds they have spotted.
  • Educational and great fun 5/5

    By SilverPlumer
    I am learning so much about the environment through the birds around me by using Merlin Birds. I’m becoming aware of birds that previously I had not seen. The app is so very easy to use, easier than field guides. It is great to see a variety of photographs of each bird: juveniles, adult females and adult males. I am learning the birds’ songs as well.
  • Wonderful birding app 5/5

    By Eco- cook
    I recently visited Europe and the app showed the birds I would possibly see in the region where I was. This allowed me to identify several birds! There was one bird that I never saw but always heard at a specific time each day. Unfortunately, I couldn’t find a way to search for the bird by sound alone.
  • Makes bird watching even more fun. 5/5

    By BirdLvnNana
    My husband and I love to watch the birds from our breakfast nook each day. This app makes it such fun to identify birds that come to our feeders.
  • Love this app 5/5

    By J_V_Nolan
    Great way to ID BIRDS AS ONE travels around the US. Invaluable too. I always recommend it to folks who ask me bird questions too. It’s been very helpful every where I go.
  • Easy to use 5/5

    By LisaGrinning
    I’ve learned so much from Merlin! The app is fun and easy to use and Merlin has taught me to recognise many different birds by sight and sound.
  • Excellent guide to help ID birds... 5/5

    By 3Rich3
    I highly recommend this app to assist with bird and waterfowl identification.....
  • A more successful birder 5/5

    By Caa-caw
    I use it as a study guide pre-trip and in the field. New Belize and Costa Rica packs are great. If you are traveling to Belize add the Yucatán pack too.
  • The identifier 5/5

    By hallright
    This app has helped me so many times when I just wasn’t sure what kind of bird I’d photographed. Especially when visiting New Mexico, where I'm not familiar with the birds. Although it’s not perfect I think if you have a decent photo it’s usually spot on. I’d recommend it to bird photographers out there! Thanks Merlin!
  • Great learning tool! 5/5

    By Mbegleit
    Have been using this app for a couple of months now. I take a lot of bird photos but don't know many of their names and this app has been so helpful. Highly recommended.
  • Merlin 5/5

    By nittany1
    Great app. The ability to take a photo and identify the bird is great option just as you are viewing it.
  • I have learned 5/5

    By 2DownMatch
    Great app. I have been paying more attention to the birds as a result of useing this app. Thanks to the folks up in Ithaca.

Merlin Bird ID by Cornell Lab app comments


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