youdao

The other three species differ in the proportion of lower leaves and higher stems that they eat: zebras eat the most stem matter, wildebeests eat the most leaves, and topi are intermediate.

其他三种动物的区别在于它们食用的低处枝叶和高处茎杆的比例不同：斑马吃茎杆最多，角马吃叶子最多，而转角牛羚则介于两者之间。

youdao

In addition, three species (including a frog and a beetle) have been named after him.

此外，还有3个物种(包括青蛙和甲虫)已经以他的名字命名。

youdao

There are four kinds of echidnas: three species are long-nosed, while another has a short nose.

VOA: special.2009.07.07

The researchers have developed a way to make genetic changes in the three mosquito species known to spread malaria.

VOA: special.2009.12.22

In addition, more than three hundred fifty bird species and three hundred species of fresh and saltwater fish live within the park.

VOA: special.2009.06.30

Three species of dolphin reside in the Sound, but they are hiding today.

BBC: The perfect trip: New Zealand

Among them are three species of thresher shark and the shortfin mako shark.

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Three species on the Asian subcontinent are close to extinction after eating animal carcasses containing traces of the anti-inflammatory diclofenac.

BBC: NEWS | Science/Nature | Bird groups hopeful on vultures