Black-shouldered Kite

Black-shouldered Kite

OccasionalGBIF 12.2·Dongniao Rarity Index8.67

Elanus axillaris· 鹰科· Accipitriformes

Black-shouldered Kite(学名:Elanus axillaris),是鹰形目鹰科黑翅鸢属的鸟类。小型猛禽,广泛分布于澳大利亚的开放地带。其特征为灰白相间的羽毛,显著的黑肩斑,以及深红的眼睛。体长约35厘米,翼展可达80至100厘米,体重在260至300克之间。主要以小型啮齿类为食,尤其是在农业区,得益于人类活动创造的适宜栖息地和引进的小型猎物。

Species Profile

IOC World Bird List

Black-shouldered Kite

Elanus axillaris· Kites, Hawks, Eagles, Harriers, Buzzards

33-38 cm; span to 90 cm. Beautiful pale grey hawk with pure white head, body and tail, black shoulders and red eyes. Cere and legs yellow. A black 'comma' mark in front of eye extends over and to rear of eye. Juvenile: deep-buff head and upperbreast; back and wings mottled buff or brown, with prominent white tips; eye brown. Becomes progressively whiter, with buff zone around breast. Singles, pairs, family parties: perches conspicuously on dead and living trees, fence-posts; hovers near roadsides. Flight direct, with quick, shallow wingbeats broken by sailing glides on upswept 'gull' wings; underwing white except for bold black mark near 'wrist', and blackish wingtip. Hovers frequently, often with feet dangling: parachutes onto prey, wings held up in a deep V.

Other name
Australian Kite
Similar Species
Letter-winged Kite.
Voice
clear 'chee', with a sob, uttered repeatedly; in aggression, a harsh 'skairr!'; around nest, 'kik kik kik', etc.
Habitat
grasslands with trees; farms, cereal stubbles, market gardens, roadsides, sewage farms, overgrown vacant land, suburban paddocks, coastal wastes.
Breeding
mostly spring, but any time when food abundant, with 2-4 successive broods.
Nest
smallish, compact, deep cup of sticks; usually 7-12 m up in eucalypt or exotic pine.
Eggs
3-4; oval, cream-white, heavily blotched chocolate-brown.
Range & Status
mainland Aust.; vagrant Tas. Nomadic and irruptive in response to local abundance of introduced house mouse. Closely related forms in PNG and other continents.