Mute Swan
英文名：Mute Swan(学名：Cygnus olor），是雁形目鸭科天鹅属的鸟类。又名: 赤嘴天鹅，拥有长颈和红色的喙，喙基部有一黑色瘤状突起，此特征显著。成鸟喙部橙红色，脸部黑色，亚成鸟整体褐色，喙灰色。原生于欧亚大陆北部，现已广泛引种至北美、新西兰、日本和澳大利亚西部等地，特别是在北美，已成为数量庞大的外来物种。疣鼻天鹅对本土水鸟极具攻击性，常成对或小群体活动。
Mute Swan
130 - 160 cm. A very large, wholly white swan; wings often raised in heraldic manner; bill orange with black base and knob; in male, knob becomes larger in spring; legs and feet dark grey. Immature: brownish grey with knobless grey-pink bill. Flight strong with singing of wings.
Eulo From Cunnamulla head west towards Eulo and after 40 km or so start looking out for Bourke's Parrot (which come in to drink in the evening at Eulo Bore, about 50 km west of Cunnamulla), White-browed Treecreeper, Spotted Bowerbird, Grey-headed Honeyeater, Black-chinned Honeyeater, Crested Bellbird, Hall's Babbler, Chestnut-crowned Babbler, Chestnut-breasted Quail-Thrush (on stony ridges), and the possibility of Plum-headed Finch. Eulo: 28.160278S 145.0475E
- Voice
- Hisses; rarely-heard trumpet.
- Habitat
- Ornamental lakes, rivers, possibly sheltered sea-coasts as in Europe.
- Nest
- Large heap of vegetation; on islands or among vegetation in shallows.
- Eggs
- 3-7 or more; green-white, larger than Black Swan's.
- Range & Status
- : Introduced from Europe to parts of se. and sw. Aust. and Tas.; most failed. Small breeding colonies on Northam Weir on Avon R. at Northam (WA) and reportedly at L. Leake (Tas.). Sedentary. Also introduced and established, NZ.
