科学家使用观察的方法研究鸟类的行为。

The scientist used observational methods to study the behavior of birds.

它是世界上观察研究鸟类最佳的目的地之一.

It ranks as one of the top birding destinations in the world.

他所作的降落伞所作的卫生纸和研究鸟类在近距离。

He made parachutes made of tissue paper and studied birds at close range.

他的实验室也忙着研究鸟类耳蜗微绒毛细胞的再生能力。

His lab is also busy studying the ability of birds to regenerate the tiny hair cells in the cochlea.

德国柏林自由大学研究鸟类歌唱的康斯坦斯•沙夫（Constance Scharff）说，这项研究工作很重要，因为大家常说人类是唯一能使用语法规则的物种。

Constance Scharff, who works on birdsong at the Free University of Berlin, Germany, says the work is important because it is often claimed that humans are the only species that uses grammar.