麻雀变身愤怒鸟,愈叫愈大声。美国有大学研究人员从六十年代开始收集麻雀叫声,发现五十年来,麻雀嗓门一代大过一代。上一代麻雀声原来有三种,至最新版只剩下一种,最高频最大大声的叫法,嗯,对麻雀来说,这可是与同类聊天的鸟语,以至歌声。麻雀版广陵散之失传,源于人类制造出来的噪音。人类一年比一年嘈吵,吵到麻雀也像一些人讲手机,不撑大嗓门,无法在周遭声浪中突围而出,尖声粗 Sparrow turned angry bird, the more called the more loudly. University researchers in the United States began collecting sparrows from the 1960s and found that sparrows have been producing more generation after generation for over 50 years. The previous generation of sparrows had three original, to the latest version only one, the highest frequency of the largest loudly called, ah, for the sparrows, but with similar chat birds, and even singing. Sparrow version of Guangling San lost, from human-made noise. Mankind year after year noisy, quarreling sparrow also like some people talk about cell phones, do not hold big voice, unable to break out in the surrounding noise, rough