Clifford E Shackelford: 2 books

What good is a rattlesnake? What purpose do animals serve? All species play a vital role in their biological communities, and the removal of just one can have a noticeable and catastrophic ripple effect. Yet social and political pressures frequently pit species conservation against economic...

Written for a general audience, with spectacular images for birders and nature enthusiasts at every level, Hummingbirds of Texas reveals the enormous appeal of this tiniest and shiniest of birds. The book opens with a look at the many manifestations of the human attraction to these flying jewels.