一只雄性孔雀羽毛的长度和质量会指示出他的年龄，精力和地位。
The length and quality of a male peacock's feathers can indicate his age, vigor, and status.
在她的另一项有关眼斑的研究中，毁掉雄性孔雀的20只羽毛也就毁掉了求偶成功的可能性。
Among her other eyespot studies, snipping 20 feather tips out of males' trains ruined courtship success.
当求爱时期，有冠毛的普通雄性孔雀会拉长上部隐蔽的羽毛——一种竖立的华丽绿色和金色羽毛与蓝绿色的眼睛结交——站在羽毛色泽呆滞的雌孔雀面前。
During courtship the crested male common peacock displays his elongated upper tail coverts-a magnificent green and gold erectile train adorned with blue-green eyes-before the duller-plumaged peahen.
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