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apps / 773457673

Merlin Bird ID by Cornell Lab

Identify Birds You See & Hear

Cornell University · Reference · Free · US storefront

#19 Top Free Reference Apps
rating
4.9 ★
ratings
113.9K
updated
Oct 9, 2026

v4.2.1

released
Dec 11, 2013

visible word pool · 11 words

merlinbirdidbycornelllabidentifybirdsyouseehear

title 29/30 chars · subtitle 29/30 chars

App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Merlin Bird ID by Cornell Lab's pool that are public — the keyword field is not exposed by any API.

from the listing

What's that bird? Ask Merlin—the world’s leading app for birds. Just like magic, Merlin Bird ID will help you solve the mystery. Merlin helps you identify birds you see and hear. Merlin is unlike any other bird app—it's powered by eBird, the world’s largest database of bird sightings, sounds, and photos. Merlin offers four fun ways to identify birds. Answer a few simple questions, upload a photo, record a singing bird, or explore birds in a region. Whether you’re curious…

full listing on the App Store ↗

latest US reviews

★★★★★

Must have app for birders!

Absolutely the best tool for identifying birds! The Merlin App and my camera go hand in hand!

— A person reviewing this game

★★★★★

Latest update doesn’t work on iPad

I love this app, but something has changed. In the last few days, the orientation of the app on my iPad is wrong. It doesn’t scale for the iPad and it makes it extremely difficult to use it. Was there an update that caused this?

— CBegley

★★★★★

Extraordinary

I am fortunate to live in a forest with many birds and to be able to identify them by their songs is so meaningful to me! This last spring a Mockingbird sat atop my tree and I was not surprised that the app not only identified it but identified the birds it was mocking!

— Marthamouse80

Newest first, from Apple's public reviews feed. Agents can pull hundreds per storefront with the reviews tool.

Where does it rank? Chart position is one signal — most installs come from keyword search. Check where Merlin Bird ID by Cornell Lab ranks for any keyword, free, with the rank checker.

this page is one tool call

mcp · app
{
  "tool": "app",
  "arguments": {
    "appId": 773457673,
    "countries": [
      "US"
    ],
    "subtitle": true
  }
}

The app tool returns this listing as stable JSON for any storefront — one of thirteen ASO tools your agent gets over MCP. Get a free key.

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