Pacific reef heron

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.

Distribution

Region

Indo-Pacific

Typical Environment

Found along tropical and subtropical coasts from the Indian Ocean through Southeast Asia and Melanesia to Polynesia, including northern Australia and parts of New Zealand. It frequents coral reefs, rocky headlands, mangrove edges, lagoon shores, and sandy or mud flats. The species is strongly coastal and rarely ventures inland. It uses offshore islets and cliff ledges for nesting, often near productive intertidal zones.

Altitude Range

Sea level to 100 m

Climate Zone

Tropical

Characteristics

Size57–66 cm

Wing Span90–105 cm

Male Weight0.55 kg

Female Weight0.5 kg

Life Expectancy12 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

The Pacific reef heron, also called the eastern reef heron or eastern reef egret, occurs in two striking colour morphs: slaty grey and pure white. It is highly adapted to coastal life, often hunting among wave-washed rocks and coral flats. Birds show remarkable tolerance of surf and wind and will time their foraging with the tides. The grey morph can be dominant on some islands, while the white morph prevails on others.

Gallery

Behaviour

Temperament

solitary and territorial

Flight Pattern

low, direct flight with steady wingbeats

Social Behavior

Usually forages alone or in pairs along reef flats and rocky shores. Breeds in loose colonies or small groups on offshore islets, mangroves, or cliffs, constructing stick nests. Both parents incubate 2–3 eggs and care for the chicks.

Migratory Pattern

Resident

Song Description

Generally quiet, giving harsh croaks and guttural squawks when alarmed or at colonies. Displays include rasping calls and grating notes during nesting interactions.

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Identification

Comb Type

Plumage Description

Feather Color

Leg Color

Earlobe Color

Eye Color

Feeding Habits

Diet

Preferred Environment

Requires Supplement

Population

Conservation Status

Species Status

Wild Population

Total Known Population

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Pacific swallow

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