英語(yǔ)聽(tīng)力：從南極到北極 10

The character of the forest changes as we descend, becoming ever darker and damper, favoring different kinds of animals and plants. Less than two percent of the sunlight reaches the floor. But even here there is extraordinary variety. In the Great Island of New Guinea, there are forty two different species of birds of paradise, each more bizarre than the last.

This forest is so rich that nourishing food can be gathered very quickly. That leaves the male six-plumed bird of paradise with time to concentrate on other matters like tidying up his display area. Everything must be spick and span. All is ready

Very impressive, but no one is watching. The superb bird of paradise calls to attract the female. And he has more luck. But what does he have to do to really impress her?