| 1. | The male bird strutted in front of the female .
雄鸟在雌鸟面前趾高气扬地走着。 |
| 2. | The blackbird sat on the nest waiting for the return of her mate .
黑鹂在巢中等候其雄鸟归来。 |
| 3. | While both male and female songbirds can call, usually only the male sings .
雄鸟雌鸟都会叫唤，但通常只有雄鸟才唱歌。 |
| 4. | It is 20 centimeters long, and the male's black plumage is set off by red shoulder patches .
体长20厘米，雄鸟的黑色羽衣衬着红肩斑。 |
| 5. | She then divided the adult males into three groups
然后，她把成年雄鸟分为三组。 |
| 6. | The cock has brighter coloured feathers than the hen
雄鸟的羽毛比雌鸟的艳丽。 |
| 7. | The male ' s orange beak differentiates it from the female
那种鸟雄鸟的喙呈橙色,与雌鸟不同 |
| 8. | Why does a guy use a wingman when picking up chicks
为什么某些雄鸟在寻找配偶时要找帮手呢？ |
| 9. | " in one case , they re moved two males and waited for them to breed .
有一次，他们抱走两只雄鸟等着它们繁殖。 |
| 10. | Courtship will include display in which the male fluff up his feather
鸟儿求偶的表现包括雄鸟抖松羽毛的炫耀行为。 |
