The terms associated with birds and animals is quite confusing, so this list might help clarify some misconceptions. The following definitions are taken from a number of sources to clear the distinction of various classifications of birds (and animals).
“Species” is defined as a single distinct class sharing specific DNA and physical features that differentiate them from other species. Species are uniform in appearance (unless other factors, described later, apply) and produce offspring with the same characteristics, appearance and DNA structure. An example of a species would be a Gouldian finch.
**For the full article, pick up the 2009 issue of Birds USA or click here to buy the issue.**