Chestnut-quilled Rock Pigeon
RareGBIF 70.4·Dongniao Rarity Index9.72
英文名：Chestnut-quilled Rock Pigeon（Petrophassa rufipennis），是鸽形目鸠鸽科栗翅岩鸠属的鸟类。其羽毛上有着微弱的浅色斑点。在飞行时，会展现出醒目的栗色翼斑，伴随着翅膀拍打时响亮的啪嗒声。该物种仅在澳大利亚北领地阿纳姆地的砂岩区发现，广泛分布于卡卡杜国家公园及其周边地区。常在高耸的岩石悬崖或砂岩塔顶栖息，黎明和黄昏时分会降落至沙地地面活动。
Chestnut-quilled Rock Pigeon
28-32 cm. Plumage red-brown to dark brown, primaries mostly pale chestnut, forming a streak sometimes visible at rest, and noticeable wingpatch in flight. Juvenile: duller. Singles, pairs, parties that chase along ledges, preen and doze together. Feeds, drinks, at foot of escarpment: flies up to take refuge among rocks with clatter or musical loud whirr, stiff flips and tilting glides on flat wings.
- Similar Species
- White-quilled Rock-Pigeon.
- Voice
- low coos; loud 'coo-carook'. Alarm call: sharp, high-pitched single coo (Frith, 1982).
- Habitat
- sandstone escarpments, with gullies, gorges, tumbled rocks; eucalypts, figs, other softwoods, pockets of rainforest; nearby grassy woodlands.
- Breeding
- mostly dry season.
- Nest
- platform of sticks on ledge or crevice in rock-face; hollowed, lined with thick pad of spinifex, leaves, stems.
- Eggs
- 2; creamy white, elliptical, smooth, glossy.
- Range & Status
- w. Arnhem Land (NT), from c. Oenpelli s. to upper Katherine R., mostly in Kakadu NP. Locally common; sedentary.
