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Merlin Bird ID

588 pointsby twitchardlast Wednesday at 2:58 AM205 commentsview on HN

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rigrassmlast Wednesday at 3:23 PM

I love this app! Just started using it a month or so ago to figure out who the loud ass bird in the woods behind my house was which ended up being a Tufted Titmouse (who are now one of my favorites, so awesome looking) and a Carolina Wren (not as pretty but makes up for it with its songs).

For the last month, my morning routine has completely changed and instead of sitting inside. I now spend my mornings out back refilling and cleaning feeders, putting out some peanuts to appease the squirrels, and then plopping down on the deck with some coffee/breakfast and MerlinID running on my phone.

I'm no good at learning a new human language but after a month of using this app regularly, I can consistently ID not just the different species, but also some individual birds by their distinct calls and voices.

The only thing I wish it had is a way to catalog individual birds and have recordings of their calls and pictures of them saved together.

Hats off to the devs of this app, hands down the best app I've used in a long time!

japhyrlast Wednesday at 12:43 PM

To me, Merlin is the shining example of what "a computer in everyone's pocket" could have been. Such an amazing app that connects so many people more intimately with the world around them.

I get occasional nudges to support their organization, but it's a clear and direct appeal, there are no dark patterns that I'm aware of.

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gcrlast Wednesday at 3:53 AM

I'm friends with some of the researchers on the Sound ID portion of this app! The team's gone to great lengths to make sure the machine learning models and evals are solid.

Under the hood, Sound ID is a great example of how "domain-expert-driven" careful research can give more reliable results than just feeding in data and hoping for the best.

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togumelast Wednesday at 12:00 PM

It’s so great this app is getting attention. Hopefully the devs/PMs come here and pay attention.

The sound ID works very well, especially in the jungles/forests of Colombia with zero network availability.

The rest of the app needs a lot of love, though. Buttons don’t work often, screens are inconsistent, results get lost, and more issues.

Features: I’d love an iNaturalist bridge. Going back into a previous recording shows “No matches” when the original capture did. Many times we’re with groups in nature, and we ID something, but it’s gone by the time we show it to someone.

A quick starting point would be to add a quick feedback button vs opening a web form, so issues can be reported conveniently.

And a resounding thank you to everyone making this app possible!

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barefootcoderlast Wednesday at 3:12 PM

Be careful when playing the bird songs. A few days ago I clicked on the cardinal song that was in my identification list and the male cardinal nesting in my hedge went NUTS and I’ve not seen either of them since, and used to see them daily. They’re very territorial.

I’m afraid that I scared them away from an active nest by accident just playing around with the app. :(

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eichinlast Wednesday at 6:12 AM

Of interest:

> Sound ID is trained on audio recordings that are first converted to visual representations (spectrograms), then analyzed using computer vision tools similar to those that power Photo ID.

Yeah, the spectrogram scrolling by at the top isn't just a cute gimmick, that's actually how the recognition works...

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Mossy9last Wednesday at 4:20 AM

I've been birdwatching (birding?) actively for a few years now, but only this year did I start using these sound identifiers. What a boon it's been! I've already spotted over a dozen new species by sound alone, and also learned to identify some of them by myself.

It really has opened up a whole new venue of enjoying this hobby. At least here, machine learning/AI has a clear, positive impact.

AnotherGoodNamelast Wednesday at 4:09 AM

In general as a bird watcher i’ve been extremely impressed by this tech. I generally trust it.

There’s only a couple of times i’ve been sceptical of it’s id and thats where there’s similar species in the area. Eg. I’m not convinced there really is a purple finch where i live when all i see is house finches all day. But i could be wrong too! It’s proven itself enough that i’m not ready to call it wrong on that one.

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codingdavelast Wednesday at 10:39 AM

I love this app. I use it all the time.

But I do have a complaint, that you can't upload an image via the web from your PC. For those of us who use a DSLR for our birding photos, the UX to have to transfer images to our phone to send them through the app is really painful.

It isn't the end of the world. It just makes me ID my birds in other ways. But it would be nice to provide non-mobile UX options.

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OptionOfTlast Wednesday at 4:53 AM

We have a Mockingbird in our backyard (or more precisely, we live in his/her territory) that impersonates a Gila woodpecker. We were able to record it. Playing back the video and using Bird ID actually shows it as a Gila Woodpecker.

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GRBurstlast Wednesday at 11:24 AM

Loving these kind of apps :-) I personally use WhoBird, which runs complete local on your android device, so it works also when you don't have internet and is available on fdroid (https://f-droid.org/packages/org.woheller69.whobird/). Will give merlin a shot as well to see how it compares

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JR1427last Wednesday at 12:07 PM

If you haven't tried birding, try it. You'll like it. It's like collecting Pokemon, but IRL.

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mapleoinlast Wednesday at 8:49 AM

I would love for someone to make a birding/citizen scientist app that's well gamified. This is basically pokemon. You go places and find different creatures and collect them.

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sgarmanlast Wednesday at 5:33 AM

I was thinking of trying to run this at home: https://github.com/tphakala/birdnet-go

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yoko888last Wednesday at 11:06 AM

This is the first time I’ve heard of this kind of app, and it honestly sounds like a little piece of magic. You just hold up your phone, and it tells you which bird is singing nearby. There are often birds outside my window some I know, some I don’t. I used to just wonder quietly, but now it feels like I might finally get some answers. Especially when I’m out in nature and see those beautiful birds with long tails it’d be great to finally know their names. Also, when my kid asks me “What bird is that?” I might finally have an actual answer instead of just guessing. I think I’ll try it out one morning. Even recognizing just one new bird might make my whole walk feel different.

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waetschlast Wednesday at 4:38 AM

Love this app.

I never thought I would ever actively watch for birds when I hear them. Or that I would be able to say "this is clearly a Wren". Or that I have a my favourite bird (Wren as well btw).

michaelmiorlast Wednesday at 5:32 AM

BirdNET-PI[0] may be of interest to this crowd. It uses a Raspberry Pi with a microphone to identify birds continuously based on their calls.

[0] https://www.birdweather.com/birdnetpi

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BooneJSlast Wednesday at 6:18 PM

My father is in his 80’s, has poor hearing aids, but still goes out daily with his dSLR and Merlin to see what’s around him and he still gets great shots. I’m really happy Merlin exists.

proactivesvcslast Wednesday at 9:53 AM

It's worth being aware that the developer of the Android app asserts that "...this app doesn't share user data with other companies or organizations" but according to Exodus Privacy this is not true: https://reports.exodus-privacy.eu.org/en/reports/com.labs.me...

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seereadhacklast Wednesday at 9:33 AM

I love this app and use it every few days. The Macaulay Library at Cornell, where this app is made/supported, has a short write up on the underlying tech here: https://www.macaulaylibrary.org/2021/06/22/behind-the-scenes...

seanp2k2last Wednesday at 7:53 PM

If you're interested in this, https://www.birdweather.com/ is a kinda neat automated sound-based bird ID and tracker in a nice little package. I'm not involved with it in any way, I've just seen it around recently and I'm interested in this space. You might also like Wildlife Sound Recording Society (WSRS) https://www.wildlife-sound.org/

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pixelesquelast Wednesday at 5:06 AM

Note that the recent iOS update seems to have introduced a bug whereby even after stopping recording, the app in the background will continue to use SIGNIFICANT battery life, so I've needed to start force-closing the app after using it.

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prevailrobyesterday at 8:46 AM

Discovered this app a year ago and love it. Use it almost everytime I'm out on a walk or a bike ride. Glad to see it's getting some love here. I echo the sentiments of another commenter that said it's the shining example of what "a computer in everyone's pocket" could have been.

urban_winterlast Wednesday at 6:07 AM

Fantastic app. My wife and I are gradually becoming able to recognise more and more birds by their call. This is great because the human ear is better than the app at rejecting environmental noise - so we can spot birds by their call even close to a noisy road when the app cannot.

The app, at least on my Pixel 6, struggles with very high frequency calls - e.g. long-tailed tits.

My best spot yet? A nightingale in Wimbledon.

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adultSwimyesterday at 2:45 PM

To folks in the Finger Lakes, the lab that makes the app regularly posts tech jobs on Cornell.edu, though that is likely impacted by Cornell's current hiring freeze.

PLenzlast Wednesday at 1:51 PM

My favorite part of the app is the spectrogram - I'm not sure exactly why but seeing the songs has made learning which bird goes with which song so much easier.

Also a shout out here to Bird Song Hero: https://academy.allaboutbirds.org/bird-song-hero/

xpelast Wednesday at 3:57 PM

I'm a regular user, and I highly recommend it. / Here are some things that I'm not clear on (admittedly because I haven't researched them yet):

1. Are recordings shared with Cornell? By default?

2. Is it "recommended" or "expected" that I try to get a visual id on the birds, too?

yakk0last Wednesday at 3:50 PM

Another parent in my kid's Cub Scout pack told me about this a few years ago. It's been really cool to use on camping trips, and lately I've been using it while walking the dog. There's a lot more different types of birds around me than I had realized.

lxelast Wednesday at 5:41 PM

Didn't realize they had a photo ID now. I've been using it for sound id all the time.

The photo id function correctly and quickly identified the house finch hatchlings in my backyard spider plant nest when ChatGPT or Claude could not.

ainiriandlast Wednesday at 5:24 AM

I identified a https://en.wikipedia.org/wiki/Red-whiskered_bulbul in our garden thanks to this amazing app! Me and my wife love birding and at the end of the year we compare our scores, it is playful entertainment. And we are introducing our daughter to it, it is so cute when she identifies one!

frogletslast Wednesday at 10:29 AM

I love this app, but after going back to review some of the rare birds I’ve noticed that many of my saved recordings have inexplicably disappeared.

I do wish it could also identify other insects/animals. I originally got the app to identify whatever bird sounded like a squeaky door or wooden swing, and eventually saw that it was a squirrel.

rjim86last Wednesday at 6:29 AM

I recently found this app and I'm loving it. I actively use this when i go for walk, hike and camping. Thanks team for the amazing work

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leythyesterday at 3:13 AM

This app is super useful to me because I'm always hearing new bird calls—from eagles and hawks to starlings and, yes, even the crows. It even motivated me to crate a BirdNET-PI (recognizing birds by sound). I highly recommend this app.

tgtweaklast Wednesday at 12:34 PM

I've been using this for years - amazing while traveling.

I wish they'd add some non-bird noises to it as a courtesy since there are often whips and calls that are non birds, like insects or mammals. I think it would add some depth and the overhead shouldn't be too high.

andsoitislast Wednesday at 3:01 AM

Great app. One improvement I'd like is that if you play back sounds from the app you are allowed to cast the sound to an external speaker. I cannot.

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neodenlast Wednesday at 10:32 AM

This app is awesome. The only minor complaint I have is that it does not handle long recordings well. For example, I left my phone near the window for an hour to identify as many birds as possible and the recording cannot finalize properly due to (supposedly) huge size of the produced file.

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nkrisclast Wednesday at 9:15 AM

Love this app. It’s really made me realize how little bird diversity there is in the suburbs where I live.

I opened it up in a natural research area once and it lit up with so many more species than I’d ever heard near my house.

gokaygurcanlast Wednesday at 8:38 AM

Love this app. You don't have to be a professional birdwatcher (if that's a profession) to use it. Just open it, and start listening. It's really fun to see what kind of variety of birds around you.

physicsguylast Wednesday at 7:44 AM

I love this app, it's incredibly good on the Sound ID stuff. There is a Wildlife Trust nature reserve near where I live and I've found it incredibly useful to work out what I'm hearing/looking at.

gammaratorlast Wednesday at 6:32 PM

I love Merlin! It's worth noting that some of its early funding was provided by the National Science Foundation: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1010818

redsparrowlast Wednesday at 1:57 PM

Berlin's Museum of Natural History (Museum für Naturkunde Berlin) has a nice app for identifying plants and animals called Naturblick. It's available in English.

https://www.museumfuernaturkunde.berlin/en/research/naturbli...

podlplast Wednesday at 5:32 AM

Merlin is far less capable in developing countries either because there’s less available crowdsourced data, or it’s intentionally suppressed to reduce its use by unskilled poachers

wlaw15last Wednesday at 1:21 PM

My <2yo son started excitedly pointing out birds flying by a kitchen window at home so we placed a feeder on the glass and he loves when they eat while he's eating. Then I found this app to start to try and identify the different frequent diners together. Was amazed at how well it worked even through the screen on the window.

skhamenehlast Wednesday at 7:17 PM

I use BirdNET, which is also from Cornell. Supposedly BirdNET has a larger data set.

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MHM5000last Wednesday at 8:44 AM

Amazing... I have the same idea for car sounds! You know, when different cars make random noise here and there, and you don't see what's wrong!

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ololobuslast Wednesday at 8:08 AM

Love it. I do very occasional birdwatching, so I still don’t know most of the birds I meet. What I like about Bird ID is that when I see in binoculars a singing bird I can quickly identify it, check photos, and really confirm that it’s exactly that bird.

I’ve heard from more experienced birdwatchers that it can false identify in some cases, so I always try to confirm visually, but anyway, for my casual use it’s more than accurate enough.

CobrastanJorjilast Wednesday at 4:45 AM

I won Merlin once. I didn't know you could win the game, but I was relaxing in my backyard and suddenly it notified me that I had found the merlin. I was so excited. I hadn't known that a merlin was a kind of bird.

I do wonder how accurate Merlin is. I certainly can't tell the bird calls apart, and I don't usually spot the bird in question, so it could just be lying to me half the time, and I'd probably never notice. But I sure do love the app as an amateur bird-liker.

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gadderslast Wednesday at 9:28 AM

I normally use BirdNet app for birdsong, and it looks like that is from Cornell as well. Does Merlin use the same tech under the covers?

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neilsharmalast Wednesday at 7:41 AM

The Sound ID is amazing. Been using it for a few years now. I usually just keep it on while I'm hiking and it identifies over a dozen birds in 20-30min, nearly all of which I've eventually verified are in the area.

The photo ID feature is okay, but I assume that's because the photos I take on my phone of far away birds is too pixelated.

I actually want a similar ID feature frog species; i hear a lot of croaking

zeristorlast Wednesday at 10:14 AM

This has been great, it helped me ID an Osprey, I was where I didn't think they'd be.

Its ID'd a Peregrine Falcon twice, I've still not seen it.

It does list Red Kites as Common Buzzards, I am not sure how to provide feedback to update this.

I tend to use Merlin, and Seek as I walk around Essex. Seek doesn't seem to know about Sessile Oaks.

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