A Sample Life History:

Song Sparrow with nestling, sketch by Jim Conrad

Let's choose a single animal likely to be in many North American backyards -- let's choose the Song Sparrow -- and look at it closely. There are a couple of good reasons for doing this:

Let's begin. Here are the topics covered:

Song Sparrows Have Well Defined Distributions

Song Sparrows Occupy Specific Habitats

Song Sparrows Have Look-Alike Relatives

Song Sparrows Behave in A Certain Way

Song Sparrows Use Sound to Communicate With One Another

Song Sparrows Communicate with Visual Displays

Song Sparrows Have A Special Way of Courting

Song Sparrows Have Their Own Way of Raising Families

Sometimes Things Go Wrong