Merlin Bird ID by Cornell Lab

Merlin Bird ID by Cornell Lab

  • Category: Reference
  • Release Date:
  • Current Version: 1.4.2
  • Adult Rating: 4+
  • Developer: Cornell University
  • Compatibility: Android
13,218 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, El Salvador, Honduras, Costa Rica, and Colombia 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, Honduras, El Salvador 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 Field Guide to North American Birds, Bird Guide to Mexico, Bird Guide to Guatemala, Bird Guide to Belize, Bird Guide to Honduras, Bird Guide to El Salvador, Bird Guide to Colombia, Bird Guide to Costa Rica, Bird Guide to Europe, Bird Guide to Spain, Bird Guide to Portugal, 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

  • Wonderful app! 5/5

    By pekddn
    Excellent alternative to hauling around a field guide! I am very happy with the new Hawaii packs, and would love to see more packs for South America!
  • Great App 5/5

    By birdlandz
    I love this app! It is easy to use and very educational.
  • Merlin Bird Id app is fantastic 5/5

    By Hal Cigar
    This is my go to bird app it is really the best thing out there no lie
  • Fast ID 5/5

    By massbirder601
    Ap is faster and easier than carrying a guide book
  • Great way to identify birds 5/5

    By NP Snowbird
    This app has been very helpful especially when birding in new terrain or when the bird seen is difficult to clearly identify. Bird ID is easy to use, and provides multiple options of your sighted bird with a location, a few colors and a description of where the bird is sighted. A great tool to have on hand.
  • Wonderful but Limited 4/5

    By Psx234
    I love the app. Once you’ve identified the bird you are able to hear its song and read a bit about it. So lovely! The issue is that there are birds that I see that are rare to my area (being on the cusp area of two different bird packs), but the app won’t allow me to report them. This limitation is quite annoying.
  • Reviews 5/5

    By Remrafnats
    Love it!! The other reviews have said it all! Stan
  • Love this app 5/5

    By caligurrl61
    I’ve had a lot of fun identifying all the cool birds where I live. Easy to use, love the photo ID option.
  • Helpful and fun 5/5

    By zeckle3
    Love using this app. Every so often I come across a bird I cannot find but most of the time I learn something
  • Merlin Bird ID 5/5

    By Rittercritter 1
    Excellent Free App For The Expert or New Bird Watcher !! Especially Children of All Ages !! KEEP UP THE GREAT WORK CORNELL UNIVERSITY!!
  • Great app 5/5

    By 50stater1
    I tried the photo id for the first time and was amazed at the quick, accurate result. I challenged it with a picture of a rose ringed parakeet from Agra, Uttar Pradesh, and got the id near instantly. The id from a description is dependent on size and color that you report matching the database so it takes a little getting used to. It worked quickly and accurately when I used it for known yard birds.This is a great tool for novice and intermediate birders.
  • Great app 5/5

    By BJN4460
    Amazing app that is easy to use to identify birds!!
  • add song identification 4/5

    By iluvnoise
    just needs the ability to identify birds by song and to view your previous identified birds and it would be perfect.
  • Awesome App 5/5

    By Saintsgirl31
    Love it! Always helps when I’m Birding for a quick identification and not having to carry my bird book with me or google it when I get home!
  • Too much fun! 5/5

    By Charcook
    We moved from Northern California to North Eastern Ohio. Confronted with so many songbirds and others we’ve come to depend on Merlin to learn the identities of our new neighbors. Thanks, Merlin!
  • Great app 5/5

    By man3300
    Calling birds on the blue tooth using the app makes for fun bird watching. Barred owls come right up to branches above us. Love the app.
  • Works great. But asked me to review too much 1/5

    By naladarb
    The app works great. It's super useful but I hate how often it asked me to rate it. Thus 1 star.
  • Really helpful! 5/5

    By Jackster847
    While it hasn’t been able to identify every bird, it has been very successful on a number of bird identifications and I’m sure will get better with time.
  • Merlin bird review. 4/5

    By Moose1830
    I like the grouping of photos of young, mature, and different gender birds. The recorded call are pretty extensive. I have not used the photo recognition feature yet. There is a colony of South American birds near me in a suburb of NYC called Monk Parakeets. This app had all the relevant info. Very nice
  • Love it!!! 5/5

    By Jaybojo1
    I love this app! It’s brilliant and right in my pocket!!!! Wow
  • Merlin 5/5

    By Vvvffff&$
    Very interesting, thorough & enjoyable.
  • Fabulous App 5/5

    By Gaylebachert
    We are avid birders and I use the Merlin bird ID app all the time and love it.
  • I Love This App 5/5

    By CindersBC
    Merlin makes it so easy to ID new birds and I love that it records Shay you’ve seen. I’ve used it at home and while traveling. Highly recommend!
  • Barb 5/5

    By Barbara Meyer Ring
    I love watching birds. I have so many different varieties of birds that’s why it is so great to be able to find the names of the birds and it’s so easy to use. It shows the pictures and tells you about the birds. It’s a awesome app.
  • Bird watcher 5/5

    By amature chef
    Great app to find out easily what you are looking at
  • Great App But No Owls 4/5

    By ndschoonover
    This app is awesome. It has been a great help in identifying birds I do not know yet. I was a little disappointed that I could not identify owls using it. They may be in there somewhere but they didn't show up in the list for me.
  • Great for starters 4/5

    By Jakdooelwbahifoebqbshci
    It’s great, but I wish it had a bigger collection of birds.
  • Great app! 5/5

    By sak2014
    I love this app but wish I could save birds I’ve identified to a local profile. I often see the same birds at home but don’t always remember exactly which one it was. If I had a saved list of already-identified birds, it would be easy to check which one I’m looking at.
  • Very nice, more audio samples wanted 4/5

    By Comparing Realities
    This app is fantastic for birdwatching of any caliber; intuitive enough for amateurs and precise enough for professionals. I appreciate how the packs carry enough photographs of any given species that visual identification between very similar species is possible. However, most species profile sonly have two or three audio files attached; more would be very much appreciated.
  • Sunroom Entertainment !! 5/5

    By jvldent
    I use this app while relaxing in my sunroom where I have a birdfeeder hanging from a tree limb directly outside the room...I have hours of relaxing entertainment watching the birds fly from tree to feeder all day long I have the ability to identify the various birds feeding in my yards ... I ❤️ this App !
  • Great tool for identification and fun 4/5

    By Gilly-ca
    I use Merlin a lot and it’s really helped me improve my identification of birds through both visual and audio ID. My biggest complaint is it does not include the size of birds in inches which is so critical when trying to ID similar birds in a family. I’d also recommend more pictures of the various stages. Even with these two areas of improvement I recommend this all the time.
  • I love it! 5/5

    By Steem711
    This app is such a lifesaver when I see a bird but don’t have my book handy! It’s so efficient and easy to use, with great descriptions and call sound bites. It’s ID’s are not always perfect, but it helps make you a more observant birder putting in better criteria!
  • Bud Raspail 5/5

    By Bud Raspail
    A great App!
  • Nearly perfect 4/5

    By Tmape
    For some reason the "explore birds" feature REQUIRES internet access. I can't just look through an alphabetical list of birds - no no it has to be connected to the internet so you can arrange by "most likely", even if you don't want to use that feature! It won't let you use Explore at all! Otherwise the app is amazing, way better than the Merlin website & other birding resources.
  • Very helpful and informative 5/5

    By Nnowwhat1236
    Have used app since it first came out. Makes it simple to ID any bird I need to identify or just want to learn more about.
  • Great App 5/5

    By Central Coast Lady
    Easy to use. When you travel, you can I.d. birds. I like it.
  • Pretty cool 5/5

    Works pretty well, although I wish it had even more pics of the many sub-species. Having the calls to firm up the identification of a bird is a REAL great feature!
  • Authentic Bird ID 5/5

    By Scholar48
    LOVE THIS APP!! Use it daily to identify and summon birds in the yard. I was out West, and realized I could load MORE birds to identify those from that region, as well. Would like to see more bird songs added.
  • Love it! 5/5

    By connieem
    Only have had one problem one time and it was only because I hadn’t downloaded the pack for where I was. Love having this app on the go as I am always noticing birds!!!
  • Thanks Cornell 5/5

    By Lpgchicago
    I use my app all the time - in the city where I live & on vacation in the wilds. It’s fantastic!
  • Great IDea! 5/5

    By Luna9462
    Love this app for identifying birds! The fields to enter observations makes it very user friendly. Some migratory birds are harder to identify, but with continued citizen science data it can only get better. One wish I hope will be upgraded is a running list of species, like a “life list.”
  • Great reference and it’s always with me 5/5

    By jsiebe3
    I always have my phone so I am always ready to ID a bird. It’s accurate and makes any adventure more interesting because I can enjoy any outdoor activity and identify birds I see along the way.
  • Great app! 4/5

    By DakotaZ87
    This is a great app for identifying birds that you see or even hear. We use the sound feature when a bird is identified, the the birds usually call back, or fly towards us following the sound! My only recommendation that could make this app better, is the ability to save birds. Sometimes I identify a bird, leave the app and come back to it to redo the search because I forgot the name. It would be nice to search for it in a “my favorites” or “saved” area so I don’t have to redo the search again later. Other than that, as I mentioned, it is a great app and worth the download!
  • Easy to use! 5/5

    By ScrapperGrandma
    I’ve been able to ID many birds as a fairly new birder with this app.
  • A great birding aid! 5/5

    By Dede-Hank
    Using Merlin is much easier than thumbing through my field guide! Adding physical measurements would be helpful.
  • Awesome!! 5/5

    By Coke Can Dan
    Great app!! Best app to id and call birds in! Ty sooo much
  • Love 5/5

    By lake2018
    I started using this app in the past year when I moved to the lake. I’ve learned a lot about identifying birds, but sometimes can’t find the bird I’m searching for. That’s not often. I really enjoy searching the app and reading about the birds and listening to their songs and calls.
  • Great App! 4/5

    By RJH757
    A must have for any birder!
  • Birding 5/5

    By upsguy79
    If you are looking for a bird app this is the one. Very easy to use and gives you plenty of information. I used it every week at the cabin to identify birds that come to one of my seven feeders. Normally finds my bird on the first time but sometimes I have to adjust the size of the bird or color to narrow my search. There are some color flaws and other minor ones. Overall this is a awesome app. Beats the book and quicker to use.
  • More detail needed 4/5

    By birdseeker63
    Love the app very helpful but needs more options in detail than just color choices, example- multi striped, spotted, light striped, dark striped, solid, speckled, multi metallic,I have tried a variety of ways to what you have provided on identifying the bird I’m looking for and believe I am not able to due to lack of options in details. It just needs a little more tweaking and then I’d give it a 5 star rating. The bird I’m looking for reminds me of a song sparrow but it’s the size of a starling. It’s eating the bird food on the deck floor.

Merlin Bird ID by Cornell Lab app comments


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