The Audubon Society's Christmas Bird Count, which began in 1900, is another example of a long-standing tradition of citizen science which has persisted to the present day.
奥杜邦学会（The National Audubon Society）的圣诞节鸟类统计（Christmas Bird Count；缩写CBC）始于1900年，是公众科学长期存在的另一个例子，一直持续到今天。