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1·Kenneth Dial, right, and Brandon Jackson examine a mute swan.

肯尼斯·戴尔(右)和布兰登·杰克逊正在检查一只疣鼻天鹅。

2·It was while sitting patiently there that I managed to get this photo of a mute swan playing.

我当时正耐心的坐在那里，最终拍到这张疣鼻天鹅嬉戏的照片。

3·The whooper swan, like its onomatopoeic Cousins, the whistling and the trumpeter, belongs to an elegant society of sisters; the mute, Bewick's, black, and black-necked fill out the ranks.

大天鹅与它们喜欢唱歌的表姊妹小天鹅和号手天鹅同属一个体态优雅的鸟类大家庭；而不唱歌的比尤伊克天鹅、黑天鹅和黑颈天鹅也是这个家族的成员。