鸟类学家爱德华·施维策也是一个网球爱好者,同时具备这两个身份无疑是很幸福的,因为它们可以如此美妙地融合在一起。比如,施维策从每年的三月到十一月每天清晨五点就会起床,观察各个季节不同的鸟声,他得出的结论是春天是苍头燕发出第一声鸟鸣,而不是杜鹃,黑琴鸡偶尔也会在秋天求偶,鸫鸟对光线最为敏 The ornithologist Edward Schweitzer is also a tennis lover, and it is undoubtedly blessed to have both of these identities because they are so beautifully integrated. For example, Schweitzer wakes up at five every morning from March to November each year and observes bird sounds of different seasons. He concludes that in spring, Chayutan makes the first sound of a song rather than a rhododendron, Black chickens occasionally courtship in the fall, birds are most sensitive to light