For one thing, in this study, there was only about a twofold difference in relative brain size between the species with the largest brain — the song sparrow — and the one with the smallest — the Swainson's Thrush.

一方面，此研究中脑容量最大的北美歌雀和脑容量最小的斯氏夜鸫，二者的相对脑容量只有两倍差别。

Along the way, I went from not knowing what Chipping Sparrow and Swainson's Thrush calls looked like on the spectrogram until ... Job: He learned to identify most of the calls he would hear on any given night.

Gyekis：一路走来，我从不知道碎麻雀和斯温森画眉鸟的叫声在频谱图上是什么样子，直到...... 乔布斯：他学会了识别他在任何特定夜晚都会听到的大多数叫声。