A US birdwatching library

Know the birds you see.

Field-guide style entries, a step-by-step Bird Finder and plain-language guides for beginners and enthusiasts across the United States.

Pair of Eastern Bluebirds on a bare branch
Photo: Sandysphotos2009

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Tell the Bird Finder the size, color, habitat, region, season, behavior and bill. Skip anything you do not know. It ranks the closest matches and shows what each one misses.

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Presence varies. Bird presence and timing change with location, weather, habitat and migration. Treat this page as a starting point, then check recent local sightings (for example on eBird) before you go.

Featured birds

Northern Cardinal

Cardinalis cardinalis

A crested, year-round songbird. The male is brilliant red with a black face; the female is warm tan with red accents.

  • Medium
  • Backyards
  • Forests

Ruby-throated Hummingbird

Archilochus colubris

The only hummingbird that breeds across eastern North America, a tiny summer visitor that migrates to Mexico and Central America.

  • Tiny
  • Backyards
  • Forests

Bald Eagle

Haliaeetus leucocephalus

America’s national bird, a huge dark-brown raptor with a white head and tail that fishes along coasts, rivers and large lakes.

  • Very large
  • Wetlands
  • Coastlines

Great Horned Owl

Bubo virginianus

A big, heavy-bodied owl with feather tufts like horns and a deep, steady hoot. It lives in almost every kind of wooded or semi-open country.

  • Large
  • Forests
  • Deserts

Eastern Bluebird

Sialia sialis

A small thrush of open country: the male is bright blue above with a rusty throat and chest, and a white belly.

  • Small
  • Grasslands
  • Backyards

Sandhill Crane

Antigone canadensis

A tall gray crane with a red forehead, a bugling rattle, and migrations that fill Great Plains skies with hundreds of thousands of birds.

  • Very large
  • Wetlands
  • Grasslands

See all 30 birds

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How we keep this reliable

We write from published ornithology, say when something varies by place or season, and leave facts out when we cannot confirm them. Read the editorial policy and our sources and identification criteria. Our guides put birds first: how to observe birds responsibly.