Bird Search

Search the complete BirdFYI database of 11,000+ bird species by common name, scientific name, family, or region. Filter results by conservation status (Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered) and habitat. Click any result to explore detailed species information, taxonomy, range maps, and field identification notes.

Identification

Search 11,000+ Birds

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How to Use

  1. 1
    Search by name or feature

    Type a bird name into the search box — common names like 'bald eagle', scientific names like 'Haliaeetus leucocephalus', or partial matches like 'owl' all work. Results update automatically as you type, drawing from all 11,251 bird species in the BirdFYI database.

  2. 2
    Filter by conservation status

    Narrow results using the conservation status filter (LC, NT, VU, EN, CR) to find species of a specific IUCN Red List category, or use the preset buttons ('Raptors', 'Seabirds', 'Songbirds', 'Endangered birds') to jump straight to common birding groups.

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    Open the species page

    Click any matching bird card to open its full species page, where you can explore detailed identification features, habitat preferences, geographic range, diet, nesting behavior, vocalizations, and conservation status.

About

Ornithology — the scientific study of birds — is one of the oldest and most thoroughly documented branches of zoology. Birds are the most species-rich group of terrestrial vertebrates, with roughly 11,251 currently recognized species grouped into about 40 orders and 250 families. Every species has a unique combination of physical traits, vocalizations, habitat preferences, migration routes, and conservation status, which means accurate identification requires more than matching a silhouette to a field guide. Modern birders use size, shape, behavior, voice, habitat, range, and season together as a multi-layered filter, much like the search tool on this page.

The BirdFYI database indexes all 11,000+ species with the taxonomy maintained by the International Ornithological Congress (IOC) World Bird List, which is updated continuously as new species are described, split, or lumped based on genetic and vocal evidence. Each species entry includes its scientific binomial name, common English name, family and order, approximate body length and wingspan, IUCN Red List conservation status, preferred habitats, and geographic range. Searching by any of those fields — or by free-text matching against common or scientific names — lets you move fluidly from a casual sighting to a well-documented species record, and from a species record into the wider network of BirdFYI regional checklists, family profiles, and migration calendars.

FAQ

How do I identify a bird I just saw?
Start with four basic field marks: size (compared to a sparrow, robin, or crow), overall shape (silhouette, tail length, bill shape), primary color and any distinctive patterns (streaks, bars, patches), and behavior (feeding on the ground, diving, hovering, flocking). Then note the habitat — a bird in a marsh is rarely the same species as one in a pine forest. Searching by those features in BirdFYI narrows 11,000+ species down to a short list you can verify against photos, range maps, and song recordings. Most birders also carry or use a digital field guide, and apps like Merlin Bird ID can suggest candidates from a photo or audio clip.
What are the most important field marks for bird identification?
Ornithologists rely on a hierarchy of field marks. First, overall size and shape — is the bird compact like a finch, streamlined like a swallow, or bulky like a hawk? Second, bill shape, which indicates diet (thick conical for seeds, needle-thin for insects, hooked for meat, long and probing for nectar or mud). Third, wing and tail proportions and flight style (direct, bounding, soaring). Fourth, plumage pattern — head stripes, wing bars, tail bands, throat patches. Fifth, voice, which is often diagnostic even when the bird is hidden. Experienced birders combine these cues in seconds and confirm with location, habitat, and season.
What do conservation status codes (LC, NT, VU, EN, CR) mean?
These are IUCN Red List categories applied to every bird species. LC (Least Concern) means the species has a large, stable or growing population — most backyard birds qualify. NT (Near Threatened) species are declining and likely to be classified as threatened in the near future. VU (Vulnerable) species face a high risk of extinction in the wild. EN (Endangered) means very high risk, and CR (Critically Endangered) means extremely high risk — these species often number in the hundreds or low thousands of mature individuals. Two further categories — EW (Extinct in the Wild) and EX (Extinct) — apply to species no longer surviving in nature. BirdFYI shows the official IUCN code on every species card so you can prioritize rare and declining birds.
Why do birds have scientific names in addition to common names?
Common names are useful but inconsistent — the same bird can have different English names across countries (the American 'robin' is a thrush, the European 'robin' is a chat), and many birds have dozens of local names in different languages. Scientific binomial names assigned under the International Code of Zoological Nomenclature are globally unique and stable. For example, Haliaeetus leucocephalus refers unambiguously to the Bald Eagle anywhere in the world. The genus (first word) groups closely related species, and the species epithet (second word) identifies the specific bird. Scientific names also encode evolutionary relationships — all Haliaeetus species are sea eagles, all Aquila species are true eagles — which helps birders and researchers understand taxonomy at a glance.
How can I tell a rare bird from a common one?
Rarity is always relative to location and season. A Northern Cardinal is abundant in the eastern United States but a rare vagrant in the Pacific Northwest. BirdFYI's regional checklists and distribution data help you judge whether a sighting is unusual for your area. Three signals that a bird is truly rare: its IUCN category is NT or worse, its global population estimate is under 100,000 mature individuals, or its geographic range is very restricted (endemic to a single island, mountain range, or forest patch). Common species like House Sparrow or European Starling number in the hundreds of millions, while critically endangered species like the California Condor or Kakapo number in the low hundreds. Reporting rare sightings to eBird or a local rare bird alert service helps researchers track populations.
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Bird Identifier
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