What’s in a Tweet? 25 interesting facts about bird songs

It’s 4 A.M. and the Mockingbird outside my window is tuning up for another string of songs. He sings three notes and repeats, and repeats, and repeats…I used to think birds sang because they were happy, but here are some of the things I learned about these so called “Tweets”! Northern Mockingbird|Santa Maria, CA