Birds Are An Ecological Litmus Paper.

Birds Are, Perhaps, The Most Eloquent Expression Of Reality.

The More You Look, The More You Will See.

Birds Are Indicators Of The Environment. If They Are In Trouble, We Know We'll Soon Be In Trouble.

Birds, It Must Be Admitted, Are The Most Exciting And Most Deserving Of The Vertebrates; They Are Perhaps The Best Entre Into The Study Of Natural History, And A Very Good Wedge Into Conservation Awareness.

Birds Have Wings; They're Free; They Can Fly Where They Want When They Want. They Have The Kind Of Mobility Many People Envy.