Mother Nature Network: 1. The songs of many bird species are highly complex and can contain dozens of notes per second. According to PBS, songbirds may take as many as 30 mini breaths per second to keep up the tune.
2. Songbirds of the same species may have different dialects depending on their geographical area. Their songs will be slightly different depending on where they live, much the same as people who speak the same language have accents depending on where they were raised. The white-crowned sparrow is a great...