How accurate is Birdsong's bird identifier?

It runs Google's Perch, a research-grade acoustic model covering nearly 15,000 species. When a call is ambiguous, we say so honestly and let you record a second clip to confirm, rather than guessing.

Is my recording stored?

No. Your audio is used to identify the bird in the moment and isn't saved to our servers. The birds you confirm are kept as cards in your own field journal; the recordings themselves are not.

Is the bird identifier free?

Yes — identify birds every day for free, no account required. Birdsong Pro ($3.99/mo or $39.99/yr) unlocks unlimited IDs, full field guides, your growing collection, and shareable Field Report cards.

Do I need an account or internet to identify a bird?

You'll need a connection to identify, since the AI runs in the cloud. No account is needed to try it — sign in with Google or email to save your field journal and sync it across devices.

Birdsong field guide

Chivi Vireo

Vireo chivi

A small, olive-toned passerine of South America, the Chivi Vireo was long classified as a subspecies of the Red-eyed Vireo before being recognized as a distinct species. It is renowned for its tireless singing during the heat of the day.

What it sounds like

A series of short, repetitive, questioning and answering phrases, often transcribed as 'here-I-am, over-here'.

Reference call, compare with what you heard

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Rec. Julio Delgado · ColombiaCC BY-NC-SA Xeno-canto

Field notes

Formerly considered conspecific with the Red-eyed Vireo, it was split based on differences in vocalizations and genetics.
Southern populations are austral migrants, traveling north to the Amazon basin during the southern hemisphere's winter.
It constructs a delicate pensile cup nest suspended from a horizontal tree fork using spiderwebs and plant fibers.
While primarily insectivorous, it shifts its diet significantly toward small fruits and berries during the non-breeding season.
It is one of the most persistent vocalists in its range, often singing thousands of phrases in a single day.

Habitat

Lowland forests, woodlands, plantations, and secondary growth up to 1,500 meters.

Range

Widespread across South America, from Colombia and the Guianas south to northern Argentina and Uruguay.

Similar & commonly confused birds

Bell's VireoVireo bellii Black-capped VireoVireo atricapilla Black-whiskered VireoVireo altiloquus Blue Mountain VireoVireo osburni Blue-headed VireoVireo solitarius Brown-capped VireoVireo leucophrys Cassin's VireoVireo cassinii Choco VireoVireo masteri

Heard a Chivi Vireo?

Open Birdsong, tap record, and identify the bird singing near you in seconds — then collect it in your field journal.

Identify a bird by its song