My opinion is that this is a very interesting book!  I think that the author used the location of Central Park because of its iconic nature.  She also brought in unique stories, such as Woody Allen's penthouse where the hawks would nest.

My favorite thing about this book is the descriptions of the people as they watch the hawks.  Many different types of people, from celebrities to tourists, watch and are entranced by them.  Love of nature is a great common denominator!