Blue Jay

Backyard & Woodland Songbirds

Blue Jay

Cyanocitta cristata

A loud, intelligent backyard bird that buries thousands of acorns each fall, helping to plant oak forests. It often imitates the calls of hawks.

How to identify it

  • Bright blue crest, back, wings and tail
  • White face and underparts with a black necklace
  • White wing bars and white tail corners
  • Loud "jay! jay!" call
SizeBetween an American Robin and an American Crow
Song Sparrow6 in
American Robin10 in
Blue Jay11 in
American Crow19 in
6 inAverage length, bill to tail

Details

Size
10โ€“12 in long; wingspan 13โ€“17 in
Weight
2.5โ€“3.5 oz
Habitat
Forests, especially with oaks; parks, suburbs and feeders
When to see it
Year-round across the East
Diet
Acorns, nuts, seeds, insects

Range in the United States

Range map of Blue Jay
Range data: USGS Gap Analysis Project (public domain). Lower 48 states. Ranges change over time.

Life history

Food

Eats acorns, nuts, seeds, insects and sometimes eggs or nestlings.

Nesting

A cup of twigs and grass, sometimes held with mud, in a tree.

Clutch
2โ€“7 eggs
Incubation
16โ€“18 days
Young
Fledge at about 17โ€“21 days
Broods
1โ€“2 per year

Behavior

Noisy and intelligent; mobs owls and hawks. Pairs are believed to mate for life.

Conservation

Common, though numbers have dropped slightly.

Cool facts

  1. A single jay may bury thousands of acorns in a fall.
  2. Blue Jays aren't really blue: light scattering in the feathers makes them look blue.
  3. They often imitate Red-shouldered Hawk calls.

Songs & calls

โ–ถBird sounds video coming soon

Watch the Blue Jay

โ–ถVideo coming soon

Photo gallery

Photo: Rhododendrites ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: Rhododendrites ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: Mdf ยท CC BY-SA 3.0 ยท via Wikimedia Commons
Photo: Sixflashphoto ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: Sixflashphoto ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: Sixflashphoto ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: Sixflashphoto ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: Shenandoah National Park from Virginia ยท Public domain ยท via Wikimedia Commons
Photo: lwolfartist ยท CC BY 2.0 ยท via Wikimedia Commons
Photo: Amos Oliver Doyle ยท CC BY-SA 3.0 ยท via Wikimedia Commons
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