Little Blue Heron

Wading Birds & Marsh Birds

Little Blue Heron

Egretta caerulea

A medium-sized heron that changes completely as it ages: young birds are all white, then become patchy, and finally turn dark slate-blue.

How to identify it

  • Adult: dark slate-blue body with a maroon-purple head and neck
  • Two-toned bill: blue-gray at the base, black at the tip
  • Juvenile: all white with greenish legs and a two-toned bill
  • Slow, deliberate hunter
SizeBetween an American Crow and a Canada Goose
American Crow19 in
Little Blue Heron27 in
Canada Goose37 in
Great Blue Heron46 in
6 inAverage length, bill to tail

Details

Size
24โ€“29 in long; wingspan 39โ€“41 in
Weight
about 11โ€“14 oz
Habitat
Freshwater and saltwater marshes, swamps and pond edges
When to see it
Year-round across the coastal Southeast; summer farther inland
Diet
Small fish, crabs, crayfish, frogs, insects

Range in the United States

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

Life history

Food

Walks slowly through shallow water catching small fish, crabs, crayfish, frogs and insects.

Nesting

A platform of sticks in trees or shrubs, in colonies with other herons.

Clutch
1โ€“5 eggs
Incubation
22โ€“24 days
Young
Fledge at about 4โ€“6 weeks
Broods
1 per year

Behavior

Young white birds often feed among Snowy Egrets, which may help them avoid predators and find more food.

Conservation

Declining in some areas, though still common in southeastern wetlands.

Cool facts

  1. Young birds are white and look nothing like their dark parents.
  2. Birds turning from white to blue look blotchy, nicknamed "calico" herons.
  3. It eats more crustaceans and insects than most herons its size.

Songs & calls

โ–ถBird sounds video coming soon

Watch the Little Blue Heron

โ–ถVideo coming soon

Photo gallery

Photo: Dario Sanches from Sรฃo Paulo, Brazil ยท CC BY-SA 2.0 ยท via Wikimedia Commons
Photo: Peter Wallack ยท CC BY-SA 3.0 ยท via Wikimedia Commons
Photo: Cesar Augusto Chirosa Horie ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: Joรฃo D'Andretta ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: no rights reserved ยท CC0 1.0 ยท via Wikimedia Commons
Photo: Korall ยท CC BY 3.0 ยท via Wikimedia Commons
Photo: Wing-Chi Poon ยท CC BY-SA 2.5 ยท via Wikimedia Commons
Photo: Alini Galli ยท CC BY-SA 4.0 ยท via Wikimedia Commons
Photo: lwolfartist ยท CC BY 2.0 ยท via Wikimedia Commons
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