Pacific Reef Heron

Egretta sacra· 鹭科(3 photos)

Species Profile

IOC World Bird List

Pacific Reef Heron

Egretta sacra· Herons, Bitterns

Pale Morph

60-70 cm; span c. 95 cm. Workman-like beach and reef-dwelling heron, with long robust bill (for a heron) and fairly short legs. Two colour-morphs. White morph: bill yellowish grey or horn-coloured; legs dull yellow-grey. Juvenile similar. White morph predominates in tropics, but in NSW, SA and s. WA, birds are mostly grey. Breeding Plumage(both morphs): longer plumes on nape (forming small crest), back and breast. Singles, family groups, small colonies: stoops, crouches, wings part-spread in canopy over water; stirs with foot; chases prey or jabs at it while flying. Flight direct and low, wingbeats rather rapid; feet protrude just beyond tail tip.

islands, rocky shores, exposed coral reefs, beaches, tidal rivers, inlets, mangroves.

Dark Morph

60-70 cm; span 90 cm-1 m. Uniform dark grey, with small, white streak on throat. Bill long, grey-horn; legs grey, washed yellow. Immature: browner grey. Breeding Plumage: longer grey plumes on nape (forming small crest), back and breast. See Eastern Reef Egret, white morph, for other details.

Other name
Reef Heron, Pacific Reef Egret.
Similar Species
(white morph); all egrets are more slender, with finer bills and longer legs; generally more gracefully proportioned. Away from nest colonies, most have either yellow or black bills, or black-tipped, yellow bills.
Voice
hoarse croaks.
Breeding
mostly Sept.-Feb.
Nest
untidy structure of sticks; in trees in island woodlands; on ground under scrub, or among rocks, caves, ledges; in single pairs to small colonies.
Eggs
2-3; pale green to blue-white.
Range & Status
coasts and islands of Aust., now absent or rare from coasts of Vic. and Tas. except far e. Vic. (Mallacoota); uncommon SA (Parker et al, 1979). Common on Q coast and Gt Barrier Reef. Sedentary; dispersive. Also se. Asia to PNG, w. Pacific islands and NZ.
Similar Species
White-faced Heron, imm.: more extensive white throat; clearer yellow legs; more distinctly pale grey with blackish flight feathers. See also Striated Heron.
Distribution key to races
1. Egretta sacra sacra

Related Bird Works

  1. Pacific Reef Heron
    001Pacific Reef Heron◔Occasional5.62
  2. Pacific Reef Heron
    002Pacific Reef Heron◔Occasional5.62
  3. Pacific Reef Heron
    003Pacific Reef Heron◔Occasional5.62