This newly designed field guides features detailed descriptions of 595 species and subspecies. The 656 full-color illustrations and 384 drawings show key details for accurate identification. More than 100 color photographs and 333 color photographs and 333 color distribution maps accompany the species descriptions.
About the Author
Roger Tory Peterson, one of the world's greatest naturalists, received every major award for ornithology, natural science, and conservation as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars. These editions include updated material by Michael O'Brien, Paul Lehman, Bill Thompson III, Michael DiGiorgio, Larry Rosche, and Jeffrey A. Gordon.
Read an Excerpt
ALLIGATOR SNAPPING TURTLE Pls. 3, 9 Macroclemys temminckii IDENTIFICATION: 1526 in. (3866 cm); record 311?2 in. (80 cm). Weight 35150 lbs. (1668 kg); record 251 lbs. (113.9 kg) for a specimen maintained in captivity for nearly 50 years; 316 lbs. (143.3 kg) for a wild-caught example. Look for the huge head with its strongly hooked beaks, the prominent dorsal keels, and the extra row of scutes on each side of the carapace. Likely to be confused only with Snapping Turtles. Young (Pl. 3): Brown, shell exceedingly rough; tail very long. About 11?413?4 in. (34.4 cm) at hatching. This gigantic freshwater turtle, our largest and one of the largest in the world, often lies at bottom of lake or river with mouth held open. A curious pink process on floor of mouth resembles a worm, wriggles like one, and serves as a lure for fish. similar species: Snapping Turtle has a saw-toothed tail and a smaller head, and also lacks the extra row of scutes be-tween costals and marginals. range: Sw. Ga. and n. Fla. to e. Texas; north in Mississippi Valley to Kans., Iowa, and sw. Ky.; an isolated record in cen. Tenn.
Table of Contents
Editor’s Note vii Acknowledgments ix 1. Introduction 1 2. Making and Transporting the Catch 16 3. Care in Captivity 25 4. In Case of Snakebite 33 Plates 37 Species Accounts 135 5. Crocodilians 142 6. Turtles 146 7. Lizards 200 8. Amphisbaenians 280 9. Snakes 282 Harmless Snakes 283 Venomous Snakes 395 10. Salamanders 416 11. Toads and Frogs 500 Glossary 581 References 585 Photo Credits 595 Index 597