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  1. Species
  2. ›
  3. Ardeidae
  4. ›
  5. Egretta
  6. ›
  7. Pacific Reef Heron
Pacific Reef Heron
Photo · (c) Michael Eisen, some rights reserved (CC BY)

BirdUp · Species

Pacific Reef Heron

Egretta sacra(Gmelin, JF, 1789)

Updated 21 March 2026

Origin: Native
Order
PELECANIFORMES
Family
Ardeidae
Genus
Egretta

At a glance

The Pacific Reef Heron is a very large bird, about 60–65 cm long, native to Australia. It can be seen year-round.

Size
60–65 cm
Origin
Native
Best seen
Year-round
Commonness
Very common
  • Identification
  • Where
  • When
  • Behaviour
  • Gallery

01 · Identification

How to tell it apart

What does a Pacific Reef Heron look like?

The Pacific Reef Heron is a very large bird, about 60–65 cm long and weighing 330–700 g.

The Pacific reef heron, also known as the eastern reef heron or eastern reef egret, is a species of heron found throughout southern Asia and Oceania. It occurs in two colour morphs with either slaty grey or pure white plumage. The sexes are similar in appearance.

Description · wikipedia · CC BY-SA 4.0

Field specs

Length
60–65 cm
Weight
330–700 g

Measurements · avonet · CC BY 4.0

03 · When

When to look

When can you see a Pacific Reef Heron?

The Pacific Reef Heron is present across its Australian range year-round, so it can be seen in any month.

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

05 · Behaviour

Habits and haunts

What does a Pacific Reef Heron eat?

The Pacific Reef Heron feeds on intertidal invertebrates, usually foraging in pairs or flocks or alone.

06 · Gallery

Plumage up close

4 photos

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02 · Where

Where to find it

Where does the Pacific Reef Heron live in Australia?

The Pacific Reef Heron is native to Australia, recorded across 46 of Australia’s bioregions.

BreedingOR, AU : coastal south Bangladesh and Andaman Is. to Ryukyu Is. (south Japan), Australasia (except south outlying is.), Melanesia to Tuamotu Arch. (east Polynesia)

Distribution from BirdUp Australia community data

Legend

  • Resident
  • Passage
  • Vagrant

8 regions recorded