Australian Hobby

Australian Hobby

OccasionalGBIF 19.2·Dongniao Rarity Index8.90

Falco longipennis· 隼科· Falconiformes

英文名:Australian Hobby(学名:Falco longipennis),是隼形目隼科隼属的鸟类。是澳大利亚特有的六种隼科成员之一,以其长长的初级飞羽而得名。这主要日间活动的猛禽,广泛分布于澳大利亚及周边国家,迁徙个体可见于印尼和新几内亚的岛屿。

Species Profile

IOC World Bird List

Australian Hobby

Falco longipennis· Falcons, Hobbys

30-35 cm; span to 90 cm. Female larger. Small, swift, dark falcon: wings and square-cut tail proportionately longer and narrower than Peregrine, with sharper bend on trailing edge. Forehead, throat and peaked half-collar whitish or buff, tinged rufous; upperparts dark slate-blue; underparts orange-buff, with rufous streaks, blue-grey V-bars on flanks.Unlike adult Peregrine, has blue cere and eye-ring. Juvenile: more rufous forehead, collar and breast; upperparts browner, with rufous feather margins and tail barrings. Race murchisonianus, of inland, n. and w. Aust.: pale blue-grey above with whiter half-collar and larger white 'bib'; sandier underparts. Flies down birds like starlings, swallows, pipits, with lashing wingbeats; soars at dusk for flying insects.

Other name
Little Falcon.
Similar Species
Peregrine: larger, with broader wings, hips and tail; flies higher, soars more; has larger white or pale buff 'bib'. Juvenile Peregrine: like juv. hobby, has distinct buffish feather margins on brown upperparts, but lacks the distinctly peaked half-collar and has much heavier brown or blackish streaks on buff underparts.
Voice
shriller, higher-pitched 'kek kek kek kek' than Peregrine, accelerating into a rapid-fire 'kee-kee-kee-kee-kee'. Male higher-pitched than female.
Habitat
open woodlands, grasslands with trees; environs of wetlands, lakes, rivers, timbered watercourses; foothills, city parks, well-treed suburbs.
Breeding
Aug.-Nov.
Nest
in usurped nest of other raptor or corvid, usually in tall living tree.
Eggs
2-4; heavily marbled red-brown.
Range & Status
mainland Aust. and Tas.; uncommon; some migrate in autumn-winter to n. Aust., New Britain, s. PNG, e. Indonesia. Sedentary; seasonally dispersive; part-migratory.
Distribution key to races
1. Falco longipennis longipennis 2. Falco longipennis murchisonianus