Merlin Bird ID by Cornell Lab

Merlin Bird ID by Cornell Lab

  • Category: Reference
  • Release Date:
  • Current Version: 1.3.7
  • Adult Rating: 4+
  • Developer: Cornell University
  • Compatibility: Android
8,024 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

  • New birder 5/5

    By cem4graps
    I Love this app. The option to view a list of most likely birds at a current location is super helpful for learning to recognize the birds around you. The addition of graphical voice prints is a great addition. Keep up the good work! One use note to be aware of. The location feature needs cell or WiFi to get a fix on coordinates and so to compile the list. It does work off line, however, if you supply your destination beforehand, so, as always, it’s helpful to plan ahead!
  • Super easy! 5/5

    By Addictnurse
    This is great. So convenient. I always have my phone handy as I watch the birds feed outside my window. So quick. I can even look again to confirm!
  • Great app! 5/5

    By GSF Isles
    Great app if you need fast accurate bird identifications. Love this app so much! It’s a constant companion on walks!
  • Love this app 5/5

    By booboorocksout
    I love this app! I’m constantly recommending it to friends, family, and coworkers. As a botanist birding is mostly just a hobby for me, but I absolutely LOVE that the data I’m collecting is being used for research. Citizen Science projects are super beneficial to both participants and researchers because they get the public interested in scientific research while helping to gather data easily without requiring extensive resources. With research being so underfunded, I feel that I can make a meaningful contribution to the work of my fellow scientists. This app is user friendly, elegant, and detailed. I love that the calls are included and that you can ID using a photo. I agree with other reviewers that it would be nice to have access to my bird history but, in the mean time I’d just like to thank you all for an outstanding app.
  • Wonderful app!! 5/5

    Wonderful app!! Work on 100 acres of forest and use this app every day. Could not be more pleased
  • Bird data takes forever 2/5

    By SuperShoeDiva
    If you install this app on a whim because you want to look up a bird that you just saw, expect that bird to head south for the winter because it’ll take several seasons before the database installs. This app is terribly inefficient. I won’t recommend it until they have several improvements specifically this one and being able to save your data as noted by another user.
  • Bird Nerd Worthy! 4/5

    By Mt. Airy Bird Nerd
    I love this app! It's so easy to use! I've used the bird calls to "call out" to birds I hear, and they sometimes verify with an answer back :) I am waiting for the update that will list the birds I have ID-ed. Only down side is during migration when a bird doesn't show up on the lists I have, so I have to do it the old fashioned way using a book ;)
  • Love it. 5/5

    By gingerrrrooo
    Handy on my phone and the different geographically related data sets are great for traveling. Thanks!
  • Easy to use and very accurate! 5/5

    By wrassetafari
    Amazing field companion. Photo ID works really well even with crappy photos of my camera's LCD screen.
  • Cool app 4/5

    By one of the boys
    So far this app works great for me. 5th star is reserved for when app will keep list of birds I’ve identified already.
  • Great tool! 5/5

    By Festus Jones
    Especially great for people who are new to birding!
  • Great 5/5

    By CraiginJersey
    Cornell Ornithology is state of the art.
  • Amazon app 5/5

    By Birdslover
    This app is AMAZING, the picture identification is mind blowing, it gets it right every time, I even took pictures from obscure birds online and it pick them up with no problem. Wow
  • Very, very helpful! 5/5

    By Flamenquio
    This app has made my life easier with my IDing. Its easier than trying to flip through a couple of pages or other apps. Thanks, Merlin!
  • Awesome app! 5/5

    By Muchthanmore
    Love this app! It’s been very helpful IDing birds that visit our feeder! I agree with an earlier review - it would be wonderful to have a list of birds I’ve previously ID’d so I can keep track! Great app, highly recommend!
  • Great app 5/5

    By MikeWn
    A great resource. The photo id works great if you get a clear picture. It includes the calls for all of the species. It also includes birds from Central America and Europe, which is a great way to get familiar with their bird life without buying a field guide. I would like to see this app expanded to Costa Rica as well as other parts of Europe. Also, the European birds do not have maps.
  • Fun app 4/5

    By Timberwolves fan
    This is a good app. Are you specially am impressed how accessible it is with voiceover. I am visually impaired so I appreciate that it’s accessible thank you so much I like it if you change it, don’t make any changes to the accessibility for the blind thanks
  • Good app 4/5

    By Frankysgirl01
    This works great so far. Fun to take pics and get instant results through photo, date and your location.
  • Great bird identifier! 5/5

    By Athan E.
    Great selection of birds based on the area you are in or indicate. Identifies birds based on size, colors, area and song/sounds. Excellent performance for a free app. The only issue is the memory size it takes because of all the bird pictures. Still excellent however! I use it all the time! And the best of all: it is free!!! Thanks Cornell University!
  • Great APP 5/5

    By burgiebit
    I have used this APP for many years. I’ve identified most birds - there were a few that didn’t stay around long enough to identify specifics in which to identify. As I’ve used the APP I have been pleased to see updates that encompass birds from specific sections of the country. This has helped on occasion when a stray bird has probably gotten blown off its normal fall flyway. The APP is very easy to use, and the photos are great since they try to add pictures of immature birds in the photo sequence as well as different angles so that you can see pattern variations. Also enjoy the sound recordings that are included to further identify a feathered friend. All n all I’d recommend this APP to anyone with a remote interest in birds since it’s not a complicated program and fun to use.
  • Replaced my bird books. 4/5

    By Newphoma
    So handy to have a “Bird Book” in my pocket all the time, and the bird call feature is amazing. I would so like to be able to keep my life list as part of this app as well.
  • Makes bird ID more accurate 5/5

    By mrdezendorf
    This app makes identifying birds much easier. I am new to birding and struggle identifying birds. I have been through my photos with questionable IDs and it has nailed them all. I run these by a more seasoned birder and he is also impressed with the app.
  • Wonderful App 5/5

    By Blujeanss
    I agree with mema2for. It’s a great app, but it would be wonderful to know which birds I’ve identified.
  • Amazing Free App 4/5

    By N Ol Witch
    This is so much fun and the spectrograph with calls and songs makes it even better. When I can’t find a bird in my yard, it can be frustrating. They must be migrating or outliers or ? But this is a fun app, feels like a tiny contribution to science, and adds immensely to the quiet pleasure of watching birds for 60 years now. Had this existed years ago, the mystery bird song at sunrise would not have taken 10 years. [It was a robin.]

    By Jdygrl
    Very easy to use.
  • Great App w/One Major Flaw 4/5

    By mema2four
    This is a great app! I’ve been able to identify every bird I’ve seen. And the calls and songs for the birds are amazing! We attract lots of birds just by playing them. But here’s the major flaw...when you confirm a bird ID it sends that data to Cornell labs so they can use it for collecting their data, but it doesn’t save it for your own use. I can’t tell you how many times I’ve seen a bird that I’ve previously identified but can’t remember the name of and have to go through the ID process again. Or it would be nice just to know how many birds I’ve ID’d. If tracking/saving the ID’s for Cornell Labs is important to them, why wouldn’t they think it’s important to the person using the app? I know I can probably download another app for tracking my bird ID’s, but why should I have to? Please, please, please add this feature to this app!!!!
  • A Must 4/5

    By RocklinMike
    If you are new to birding, like myself, this is a must application.
  • Best all around! 5/5

    By Loislane17
    For beginners and for a bit beyond-ers and even for those of us who should know better by now, Merlin provides a quick set of selections to get you to your bird before it disappears! They now have various packs for different regions and sounds as well. You can get perhaps more detail and info and pictures on say, iBird Pro, but as a free app, it's remarkable! I use both in tandem, but this is a great way to get familiar with the bird world.
  • Cool needs more features 4/5

    By dejamac
    I am trying to find a bird i hear in the morning. I only saw it once. Was not able to take a pic. I did however record the sound. Would be great to add: 1. A way (like soundhound) to identify bird with an audio 2. Show which birds I already listened to in my directory. Every time i leave the app, i lose my place. It should turn gray or something (like notifications you've already read) 3. Be able to save birds I like (like a favorites) or create lists.
  • Great app! 5/5

    By heartbreaker
    The neural network on this app is really well done! Have yet to have a (quality) photo it couldn’t identify! Really wish it could do sound recognition too!
  • Merlin Bird ID 5/5

    By onexarcher
    If your looking for a fast accurate identification of the bird you photographed, this is a must have. Amazingly accurate!!!!!

    By GravMan
    This app is off the hook awesome, it very easy to look up different kinds of birds and even has each individual bird song, outstanding! I have sent this app to just about everyone I know, thanks so much!
  • Great bird ID app 5/5

    By YumYumYellow76
    Easy to use in the field. The pictures of various stages and sex of the bird is very helpful.
  • Best bird ID app ever 5/5

    By "A@W"
    This is a very good and helpful app that anyone can use and understand
  • Great App for identifying birds 5/5

    By Airplaneguy
    Use app almost every weekend
  • Very Useful App 5/5

    By Flonash
    I have used this app for quick identification of backyard birds. The overview of each type of bird could be more detailed, but this app is certainly worth the download.
  • I love this App!! 5/5

    By Ncchxjdd
    This is an awesome app, I'm a hunter working on identification and this app has been soooo much help
  • works great but not if you can't take photos. 4/5

    By redwolftrash
    this app has helped me identify quite a few birds...however, my issue is that you often need to describe appearance to some extent. if they could add identification by sound, this would help greatly. more often than not when I see unknown birds, they're way too high up and fast for me to take a proper photo of them or even see what colors they have. I can recognize many distinct calls, but I NEVER see the birds themselves. how am I supposed to identify birds I can't see, only hear??? overall though the app works greatly! the sound ID will probably make me change this to five stars, since it'd be way easier for me to identify birds.
  • Go to app 4/5

    By Rich2.71828...
    App is wonderful for IDing birds, especially if you are new to an area. Make sure you have the module loaded for your region. Have had great success with the app. Now I always have a bird guide in my pocket. If there was a way to keep a personal list of birds seen, I'd definitely give the app 5 stars.
  • Great App 5/5

    By SouthernWest
    Overall, I like this bird app better than others I downloaded. I consider myself an average birder. This has helped me to identify many migrants that I don’t see often Also, I downloaded the Western package for my trip to Utah and Arizona. The app continues to improve. More photos of different bird profiles would make this app even better.
  • LOVE THIS APP!! 5/5

    By LaFlaka7
    Everyone nice in a while my phone tells me I need to free up some memory, and I can always see that this app is using up a good bit, but I wouldn’t trade it for the world. My solution is just to go through and delete photos and videos from my phone rather than do anything to this wonderful app. The only thing I wish is that there were a library of common bird songs organized somewhat geographically so that the learners among us, me included, Could get our ears accustomed to the different sounds and learn to identify the birds by their sounds. Often I hear a wonderful song, maybe one I hear every day, it’s probably something common, but I can’t see it, so I can’t identify it.
  • Outstanding! 5/5

    By iKaBaKan
    I just started to use this app. Quite accurate and contains a wide variety of birds. No pesky ads so far. Yay!!
  • Merlin Bird ID 5/5

    By John the Mailman
    Easy to use identified 3 out of 3 birds photos that were on my camera. Great App
  • Great identification tool 5/5

    By Alisalllly
    This app is amazing!! I love birds and I love the app. Very informative and educational. 10/10 would recommend
  • Fantastic app! 5/5

    By Defendnature
    I love this app! It is so easy to use and really helps narrow down the choices and getting the extra pacs for my area loaded has helped increase the chances I will find my bird. I would love more pictures to help me narrow it down better, esp. with all the little brown birds, but thta is just me being picky. I recommend this app to everybody.
  • Photo ID is phenomenal! 5/5

    By TakinNames2
    I was pretty impressed with the way Merlin identifies birds based on location, date and colors. Then when I discovered Photo ID, I was totally blown away. It’s like face recognition for birds. Amazing!
  • Great for any birders 5/5

    By JanKay62
    Love the app, we use it at least once a week while hiking. Makes you stop , look and listen all the time!
  • Great app for bird ID 5/5

    By xxmaddog
    I love this app for identifying the birds in my yard and while hiking. Easy for the casual bird watcher to ID the bird and the sounds.
  • Excellent but... 5/5

    By Purplereign205
    I love this app. I use it every day. One thing that would be awesome is once you ID a bird, that bird gets recorded in a personal log of some sort. So I can go back and see what birds I identified and where. Sometimes outside of my house I'll hear a familiar bird call but not see the bird, but I know I've identified that bird before. Another cool feature would be to add identifying features about a bird. For instance you see a black and white bird and you can add that it had a very long tail to make it easier to identify as a black-billed magpie.
  • Great app!! 🐦😄 5/5

    By Allie N. Morrison.
    Merlin Bird ID has helped me identify tons of birds! It gives you the range of birds, their calls and their colors, too. You should totally get this app!

Merlin Bird ID by Cornell Lab app comments


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