Mockingbirds change song during dog days

It sure is hot! It's hot! I'm betting that most of you have heard something similar to this if not these exact words during the past several weeks. I've heard people talk about dog days recently, that's a interesting subject. There are several different ways of thinking on dog days.

According to most people they start somewhere between July 3, and July 15 and last anywhere from 30 days to 61 days. But I definitely remember my grandparents talk about dog days running from July 25, until September 2, forty days. I'm not saying either one is right or either one is wrong.

One thing I notice is tha...