An interesting study out of the National Evolutionary Synthesis Center in Durham, NC that birds such as vireos will modifying the pitch or length of their songs in response to growing noise pollution. Coincidentally, I also change my song in response to excessive noise: “Hey @$$face… I’m talking to you!” Same thing, right?
Mike is a leading authority in the field of standardized test preparation, but he's also a traveler who fully expects to see every bird in the world. Besides founding 10,000 Birds in 2003, Mike has also created a number of other entertaining but now extirpated nature blog resources, particularly the Nature Blog Network and I and the Bird.
On one hand, this is a great example of just how amazingly adaptable nature can be. On the other, it’s proof positive of yet another environmental impact we are are having.