John C Kricher

John Kricher is professor emeritus of biology at Wheaton College in Massachusetts and an internationally recognized ecologist, ornithologist, and author. His books include The New Neotropical Companion, Tropical Ecology, and The Balance of Nature (all Princeton). Kevin Loughlin is a nature photographer and tour guide who has led more than forty trips to Galápagos. His photos and writing have appeared in many magazines, including Living Bird and Birding....

Explains the changing views of dinosaur development, the evolutionary and ecological relationships among dinosaurs, what it might have been like in the Mesozoic era, and the question of what ultimately brought about the total extinction of all non-bird dinosaurs and the end of the Cretaceous Period.

"A fascinating look at what birds do and why they do it."--

In this series of lectures, renowned ornithologist John Kricher presents an absorbing analysis of the diverse ecosystems that exist on planet Earth. He provides a factual study of the many fragile and threatened portions of our biosphere while describing the interaction between each system and the effect of man's presence.