Pacific Reef-Heron

Egretta sacra sacra

Order

PELECANIFORMES

Family

Bitterns, Herons and Egrets (Ardeidae)

Code 4

Non-AOU

Code 6

EGRSAC

ITIS

ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

Least Concern

The Pacific Reef-Heron has a large range of 4,100,000 square kilometers. It frequents such coastal habitats as rocky shores, coral reefs, islets, and estuaries in Japan, eastern and southern Asia, the Philippines, Indonesia, New Guinea, Australia, New Zealand, and many islands in the western and southern Pacific Ocean. This species is believed to have a stable population of anywhere from 100,000 to 1,000,000 individuals, and has been given a conservation rating of Least Concern.

IBIRD EXPLORER GENERAL

PHOTO SHARING AND DISCUSSION

BIRD PHOTOGRAPHY

SUMMARY

Overview

Pacific Reef-Heron: Medium-sized heron with two color morphs; one all white, the other black-gray with white on the throat. Straight, pointed, gray-pink and yellow bill. Legs gray-green and green-yellow. Sexes similar, juvenile dark morph has black-brown blotches, no white on throat. Juvenile white morph has some gray in plumage.

 

Range and Habitat

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Pacific Reef-Heron SONGS AND CALLS

Pacific Reef-Heron U1

Alarm call is a nasal "gwaaauh".

Similar Sounding

Gray Heron P1

Typical "gwark" calls.


Voice Text

"crraw", "gyaaah", "nyaah", "nyarp", "gruk"

INTERESTING FACTS

  • The Pacific Reef-Heron may also be known as the Eastern Reef Heron or Eastern Reef Egret.
  • This bird is locally known as the matuku moana.
  • This species has an unusual non-sexual dimorphism. Some birds are entirely white, while others are dark gray.
  • A group of herons has many collective nouns, including a "battery", "hedge", "pose", "rookery", and "scattering" of herons."

SIMILAR BIRDS

RANGE MAP PALAU

About this Palau Map

This map shows how this species is distributed across the Palau islands.

FAMILY DESCRIPTION

TERMINOLOGY

CREDITS

Artist

Chris Vest

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BACKYARD BIRDING

BIRDS AND BIRDING

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PlumesX
Large, conspicuous, showy feathers.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X