評(píng)論
打印
A pair of noddy terns fly close together over the island on the reef.
一對(duì)白頂玄燕鷗在礁石島上空比翼而飛。
They are two mates, reaffirming their bond.
它們是在重復(fù)確認(rèn)伴侶關(guān)系。
Noddies signal to each other continually during courtship,both in the air and after landing.
求偶期的白頂玄燕鷗會(huì)不停地表演，無論是在空中還是地上。
Once in the trees,the performance changes.
到了樹上的燕鷗的表演方式也隨之改變。
They bow their heads repeatedly.
它們不停地相互點(diǎn)頭。
It's pretty clear how they got their name.
這也是人們又叫它點(diǎn)頭燕鷗的原因。
To enforce their relationship,the male has to collect nesting materials,and the females are famously fussy,so he chooses his present carefully.
求偶關(guān)系成功后，關(guān)系還需要經(jīng)營。雄燕鷗的任務(wù)是收集筑窩的材料。而雌燕鷗在這方面極為挑剔，禮物得精挑細(xì)選。
