Great Cormorant

Great Cormorant

CommonGBIF 0.8·Dongniao Rarity Index2.62

Phalacrocorax carbo

(英文名:Great Cormorant,学名:Phalacrocorax carbo),是鲣鸟目鸬鹚科鸬鹚属的鸟类。分布最广的鸬鹚,全球可见,繁殖范围从北极到南温带;体型最大,喉部常具白色斑块,无冠羽;在北美西北部大西洋沿岸繁殖,欧洲、亚洲、非洲及大洋洲亦有分布,通常栖息于淡水湖泊、河流及沿海环境。

Species Profile

IOC World Bird List

Great Cormorant

Phalacrocorax carbo· Cormorants, Shags

72-92 cm; span 1.3-1.5 m. Largest cormorant, with slender, dark horn, hooked bill; ochre-yellow throat pouch and facial skin. Breeding Plumage: glossy black, with fine white streaks on neck, white chin and flank mark; wing feathers coppery brown, patterned by dark margins. Non-breeding: duller, without white markings. Immature: dull brown, with dull yellow throat pouch; foreneck and breast dirty white. Singles to large flocks: wary; dries wings on trees over water, piers, sandspits, buoys; roosts in public gardens with lakes. Fishes in clear water, submerging smoothly from surface. Flight strong and direct, in lines or Vs, with measured wingbeats; glides in unison.

Other name
Black or Big Black Cormorant; Black Shag.
Similar Species
Pied Cormorant, imm.: paler below; bill paler; yellowish mark in front of eye. Little Black Cormorant: bill black and slim; facial skin black; wingbeats quicker.
Voice
querulous rising croaking, and rapidly repeated guttural coughing.
Habitat
large waters: coasts, bays, estuaries; rivers and lakes, reservoirs; farm dams, irrigation impoundments, spillways and regulators.
Breeding
most months.
Nest
bulky platform of sticks, weed; usually in treetop colony over water, with other cormorants, herons or spoonbills; occasionally on ground or cliff.
Eggs
3-4; greenish white, chalky.
Range & Status
Aust. and Tas., widespread; irregular through w. inland; rare n. Aust. Sedentary and nomadic. Also Indonesia, PNG, NZ.
Distribution key to races
1. Phalacrocorax carbo novaehollandiae