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- Some of the species of birds are extinct. 有几种鸟类已经绝种了。
- This species of bird now exists only in Africa. 这种鸟现在只存在于非洲。
- Sex, in most species of bird, is a consensual activity. 性对于大多数鸟类来说是个两厢情愿的事。
- Bird community in this forest consists of 28 species of birds. 该鸟类群落由28种鸟组成。
- Scientists have discovered an extinct species of birds. 科学家们已发现了一种已灭绝的鸟类。
- This species of bird is decreasing in numbers every year. 这种鸟的数量在逐年减少。
- Just within the sanctuary, one can identify more than125 species of birds. 就在这圣地之内，你可以看到超过125种鸟。
- The black bear, the serow and 87 species of birds can be found in this forest . 白神山地的森林中还生活着黑熊、鬣羚和87种鸟类。
- Bathing Superb Starling. These species of bird seem to love bathing. 栗头丽椋鸟戏水。这些家伙似乎很喜欢谁呢。
- The trip allows tourists to enjoy the sight of mangrove swamps and species of birds. 坐船途中，游客们也可观赏到天然的红树林区及各飞禽类。
- Over four hundred species of birds call the Everglades home,as well as countless other forms of plant and animal life. 400多种鸟类在这里安家，另外还有难以计数的其他动植物生活于此。
- He was pleased to get up to the singing of birds. 他很高兴起床听到鸟的歌唱。
- Every summer more than 100 species of birds migrate from the northern hemisphere to South African shores. 每年夏天，有100多种鸟从北半球迁徙到南非海岸。
- The Danube delta hosts over300 species of birds as well as45 freshwater fish species in its numerous lakes and marshes. 多瑙河三角洲不计其数的湖泊和沼泽哺育着300多种鸟类和45种多瑙河及其支流中特有的鱼类。
- It holds over 470 species of birds which is roughly a third of the total number of bird species in whole China. 这里拥有超过470种雀鸟,占全中国雀鸟品种约三分之一。
- Vast multitudes of birds visit this lake in spring. 春天有大批的鸟飞临此湖。
- Clouds of birds rose from the treetops. 黑压压一大群鸟儿从树梢飞起。
- Students and teachers were all attracted by different species of birds in the park. 无论教师或学生都被公园内不同品种的雀鸟吸引。
- He was awakened by the song of birds in the trees. 他被林中的鸟鸣声闹醒。
- Large numbers of birds migrate south every winter. 每年冬季大量的鸟类迁徙南方。
