疣鼻天鹅
- 网络mute swan;Cygnus olor;Mute Swan Cygnus olor
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由于疣鼻天鹅为单态性鸟,雌雄在外形上十分相似,很难直接判定性别,在繁殖育种时常会发生人为错配的现象。
Mute Swan is a monomorpHism bird , the males are in appearance very similar to the females , so it is difficult to directly determine the sex , the pHenomenon of the human mismatch occur frequently in breeding .
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由民众投票选出的10个最终候选鸟分别是:知更鸟,翠鸟,仓鸮,蓝冠山雀,鹪鹩,画眉,海鹦,疣鼻天鹅,赤鸢和白尾鹞。
The 10 most popular birds which have been voted for the by the public are the robin , kingfisher , barn owl , blue tit , wren , blackbird , puffin , mute swan , red kite and hen harrier .
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大天鹅,疣鼻天鹅东半球的一种叫声很高的天鹅(大天鹅)
An Old World swan ( Cygnus cygnus ) having a loud cry .
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研究发现,疣鼻天鹅在繁殖期的行为时间分配存在明显的性别差异。
The study found that there are clear gender differences of Mute Swans in hatching period in the behaviors time budget and activity rhythm .
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通过不同天气条件的比较,表明疣鼻天鹅不仅在行为时间分配上不同,而且不同性别在行为时间分配上也存在明显差异。
By comparison of different weather conditions , it was indicating that the Mute Swans had not only difference in behaviors time budget , but also exist significant differences between the female and the male .
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英国所有的野生疣鼻天鹅都被认为是王室的财产,杀死它们是一种大不敬的行为。
The bird is believed to have been killed on Saturday evening . All wild mute swans in Britain are considered to be the property of the Crown and it is an offence to kill one .