Pied Heron

Pied Heron

UncommonGBIF 35.0·Dongniao Rarity Index8.89

Egretta picata· 鹭科· Pelecaniformes

英文名:Pied Heron(学名:Egretta picata),是鹈形目鹭科白鹭属的鸟类。以其独特的黑白相间的羽毛著称。分布于澳大利亚北部、印尼苏拉威西、巴布亚新几内亚等地的沿海和亚沿海地带,常见于各种湿地环境。

Species Profile

IOC World Bird List

Pied Heron

Egretta picata· Herons, Bitterns

43-50 cm. Elegant, small, yellow-billed, yellow-legged, dark slate-grey heron with contrasting white throat and neck; crested dark cap pulled well down over eyes. Immature: lacks crest; head/neck white, often smutty; body and wings red-brown to dark blue-grey. Singles to flocks, some large; imms. may outnumber adults: dashes after prey, stands motionless or stabs while hovering. Flocks fly in bunches, with quick wingbeats, necks folded; dash about in air.

Similar Species
White-necked Heron.
Voice
loud 'awk', usually in flight.
Habitat
margins of, and floating vegetation on, wetlands, lakes, freshwater lagoons; ricefields, tidal rivers, mudflats, mangroves, sewage ponds, stockyards, garbage tips, freshly burned ground.
Breeding
Feb.-May.
Nest
small, shallow platform of sticks; to 5 m high, in live tree over water; in colony, small to large, with other herons, egrets, cormorants.
Eggs
3-4; deep blue-green.
Range & Status
coastal/sub-coastal n. Aust., from c. Wyndham (WA) (casual s. to Broome); to c. St. Lawrence (Q). Casual further s. and w. (e.g. Roma (Q), Macquarie Marshes (NSW) where bred in Feb. 2001, Vic.). Wide winter movement to n. coasts may extend in migration to Indonesia. Winter visitor Torres Strait. Dispersive; part-migratory. Also PNG to Borneo.