As I sit here with my window open I keep getting distracted by the birds. There is a tree fairly close to my window so sometimes birds sit there and chirp just a few feet from my head, so I really notice it. However when I pay attention, I realize that all the birds seem to be chirping very, very loudly. I suspect they are indeed chirping louder than they did a few decades ago, most likely in response to the increasingly louder society that humans have made. With all the noise that humans make with their mouths, televisions, cars, and such, it makes sense that birds have to shout. While the birds may be quite loud, they pale in comparison to the even louder, never-ending noise of cars constantly passing by.