Arafura Shrikethrush

Arafura Shrikethrush

UncommonGBIF 32.4·Dongniao Rarity Index8.33

Colluricincla megarhyncha· 啸鹟科· Passeriformes

英文名:Arafura Shrikethrush(学名:Colluricincla megarhyncha),是雀形目啸鹟科的鸟类。近期分为两个物种: Colluricincla rufogaster。 Colluricincla megarhyncha。 17–19厘米。小体型、大嘴的鸫鵙:喙上方银褐色,两侧粉红色。上体橄榄灰褐色,头顶/后颈偏灰;喉部微白;下体棕皮黄色具精细深色纵纹;腿粉褐色。昆士兰东北部的个体更偏肉桂棕红色:在顶端地带(北领地)至金伯利西部(西澳大利亚),喙黑褐色;眉纹淡色;脸/喉部近白;下体浅棕红色。单只或成对:在树干、缠绕的藤本/树叶间觅食;常因鸣叫、剥动树皮的沙沙声被发现。

Species Profile

IOC World Bird List

Arafura Shrikethrush

Colluricincla megarhyncha· Whistlers, Shrikethrushes

Two species recently separated:

Colluricincla rufogaster.

Colluricincla megarhyncha.

17-19 cm. Small, large-billed shrike-thrush: bill silvery brown above, pinkish on sides. Upperparts olive-grey-brown, crown/nape greyer; throat whitish; underparts rufous-buff, with fine dark streaks; legs pink-brown. Birds in ne. Q more cinnamon-rufous: in Top End (NT) to w. Kimberley (WA) bill blackish; eyebrow pale; face/throat whitish; underparts pale rufous. Singles, pairs: forages on tree-trunks; tangles of vines/leaves; located by calls, rustling bark.

Other name
Little Shrike-thrush.
Voice
deep 'shee-ee, wot wot wot'; or 'wot, wot, shee?'; 'eeee, butch-butch-butcher'; in alarm, loud, sparrow-like 'charip', harsh wheezes.
Habitat
rainforest (mostly lowland in ne. NSW-se. Q); watercourse vegetation; paperbarks; coastal open forest; mangroves, lantana thickets.
Breeding
Sept.-March.
Nest
deep cup of plant fibre, leaves, rootlets, stems, spiders' web; in fork, vine tangle, low to 10 m.
Eggs
2-3; pearly white/pale pink; spotted, blotched brown, with underlying lilac.
Range & Status
coastal e. and n. Aust., from c. Nambucca Heads-Coutts Crossing (NSW) to w. coast, C. York Pen. (Q). Mangroves of sw. Gulf (NT); Top End to w. Kimberley (WA). Common. Sedentary.
Distribution key to races
1. Colluricincla megarhyncha rufogaster 2. Colluricincla megarhyncha griseata 3. Colluricincla megarhyncha normani