eBird by Cornell Lab

Review by eFreeware

A birding outing produces a lot of small decisions: which species you saw, roughly how many, and where you were standing when you saw them. Notes written by hand or in a generic notes app can capture that, but they don't connect to anything larger, and transcribing them later is the part most people skip. eBird Mobile is built to close that gap by turning a phone into a field notebook that feeds a shared database.

The app comes from the Cornell Lab of Ornithology, the same organization behind the eBird project itself, and it has been on Google Play since December 2015. It is free, carries no ads and offers no in-app purchases. The developer describes it as the only app that passes information directly from an Android device into an eBird account on the web, which is the pitch in one line: record what you see, and the record lands where the scientists can use it.

Built for list keepers, not casual watchers

The people who get the most from this app are those who already keep lists, or want to start. If you note the birds at your feeder each morning, count waterfowl at a local marsh, or plan trips around adding species to a life list, the structure here matches how you already think. The app keeps track of your lists by life, year and month, for any region or for a spot near you, so progress is visible without any spreadsheet work.

It also suits birders who travel. Sightings can be recorded anywhere in the world, and the taxonomy follows the Clements Checklist of Birds of the World, so the species names line up with what other eBird users and researchers use. For someone who birds in more than one country, that consistency matters more than any single feature.

A more casual reader might wonder whether the app is overkill for occasionally noticing a hawk on a fence post. It is a recording tool first, and the value comes from submitting checklists regularly. The developer's framing is about contributing observations to research, education and conservation, which tells you the intended user is someone willing to log what they see.

Checklists that adapt to where and when you bird

The core of the app is the checklist. A new list is tailored to where you are and the season, showing likely species. That turns an enormous global species list into something closer to a shortlist, which is the difference between a usable field form and an unusable one.

As you enter sightings, the app gives real-time feedback on whether a species is rare in the area. That is a quiet but useful check: an unusual record is exactly the kind of thing worth double-checking before it goes into a public database, and having the nudge at the moment of entry is better than wondering about it days later.

The developer says the app includes tools for entering notes quickly. Anyone who has tried to type species names with cold hands while a flock moves through the trees will understand why that matters. GPS location plotting and tracking options are included as well, so a checklist can carry the coordinates of where the observation happened rather than a vague place name.

Maps, hotspots and a shared language for bird names

Map tools show hundreds of thousands of eBird Hotspots, the locations other birders have flagged as worth visiting. For trip planning, that is a genuinely useful layer: instead of guessing which park or shoreline is productive, you can look at where the recorded activity concentrates. It is the kind of feature that becomes more valuable the less familiar you are with an area.

Language coverage is broader than most field tools bother with. Common names are available in 41 languages, including regional versions such as Portuguese names as used in Brazil or in Portugal, and the app itself is translated into Bulgarian, Czech, Danish, German, Spanish, Finnish, French, Hebrew, Croatian, Khmer, Norwegian, Dutch, Polish, Portuguese, Russian, Serbian, Swedish, Thai, Turkish, Ukrainian and both Simplified and Traditional Chinese. A birder who learned species names in their own language can keep using them.

The most recent build adds sound recordings to checklists. You open a checklist, share an audio file from another app, and choose eBird as the destination; recordings made in Merlin's Sound ID Sessions can be sent the same way, as can audio files opened from Files or any other app. From there the app walks you through matching the recording to a species, trimming the ends and adding details before you submit. It is a small addition in the grand scheme of things, but audio evidence strengthens a record in a way a text note cannot.

Free, with nothing to buy inside

The app costs nothing to download and use. There are no ads, and there are no in-app purchases, so nothing in the interface is trying to sell you a subscription or a premium tier. That is consistent with the project's stated purpose: observations are meant to be openly available for research, education and conservation.

The practical cost is not money but participation. Using the app means submitting records to a shared database, which is the point of the exercise. The app is aimed at birders who want their sightings to count toward a shared, public record rather than stay in a private notebook.

One thing worth setting expectations about is the overall reception. With more than a million installs, the app holds a 3.8 average across 4,073 ratings. That is a respectable figure for a utility of this kind, and it suggests a tool people keep rather than abandon, without pretending the experience is flawless for everyone.

How it compares with the alternatives

A general-purpose notes app is free, familiar and always available, and for a handful of sightings a year it may be all you need. The trade is convenience now against usefulness later.

Dedicated field guides and identification apps sit at the other end. They are built to help you work out what you are looking at, with illustrations, songs and range information. Some birders will end up using both, one to identify and one to log.

Paper notebooks and county record forms remain the traditional route, and they have real advantages in wet weather and remote places. The counterargument is that the app works fully offline, so a lack of signal in the field does not stop you recording, and the entry is already in the right format when you get back. For anyone who has watched a season's notes sit unsubmitted in a drawer, that is the case for switching.

A field log worth adopting if you report what you see

eBird Mobile does one job and does it in a focused way: it captures bird sightings in the field and moves them into your eBird account. The checklist that adapts to place and season, the rare-species prompt, the hotspot maps, the GPS plotting and the offline operation all serve that single purpose. The new audio upload extends it slightly, letting a recording travel with the checklist it belongs to.

I would suggest it to birders who already submit records, or who have been meaning to start, and who are comfortable with their observations becoming part of a public scientific dataset. The free price and the absence of ads or purchases remove the usual hesitation about trying it. If your interest in birds is mostly watching rather than recording, the app will feel like more structure than you need, and that is fine.

For the committed list keeper, the appeal is straightforward: a phone in your pocket that produces a properly formatted record by the time you reach the car. That is a narrow promise, but it is one the developer has been refining since 2015, and the feature set reflects that long attention.

What's new in version 3.4.0

This build adds the ability to upload sound recordings to checklists in eBird Mobile. Step 1: Open a checklist in the eBird app Step 2: Share an audio recording from another app From Merlin: Go to Sound ID Sessions, view a recording, tap the share icon, then choose eBird from the list of apps From Files or any app: Open an audio file, tap the share icon, and choose eBird Step 3: Follow eBird's steps to match the recording to a species, trim the ends, and add details before submitting