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Snakes of the United States and Canada Hardcover – April 17, 2003
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About the Author
Carl H. Ernst is a Distinguished Professor of Biology at George Mason University in Fairfax, Virginia. He has written six books, including the award-winning Turtles of the World (Smithsonian Institution Press, 1989) and is coauthor of Snakes in Question (Smithsonian Institution Press, 1996). Evelyn M. Ernst is director of information for the National Science Resource Center in Washington, D.C.
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Top Customer Reviews
Male 1 Year Old: 30cm-68cm (IM JUST GUESSING RANDOM NUMBERS this isnt what the book has)
Female 1 Year Old: 35-72cm
THIS I LOVE!!! Now I can guess a rough age on the snake I catch! Another thing the book has per species is sexual dimorphism, (I think I spelled that right) which in common talk, how to tell a boy from a girl and vice versa, WITHOUT dangerous probing. Probing is usually the way to sex a snake, but its very dangerous if done by anyone other than a vet or a trained wildlife expert, us rookies we would risk harming the snake very badly if we did it. The book tells you the differences so you can make a good estimated guess without harming the snake. Like I said before this book is a awesome tool if your looking to study snakes and get extensive knowledge on them, if your looking for a field guide to carry with you in the woods, the one above is best, and that has more than snakes in it. So in a nutshell
Buy this book if:
You want to learn alot, and I mean ALOT about snakes.
If your going to be studying snakes.
If you want to learn more about a certain species.
If you deal with snakes on a daily basis.
If you want to learn technical facts about snakes.
Dont buy this book if:
Your looking for a field guide.
Your afraid of snakes.
My one quibble are about the invasive species. It does not have sections on Burmese Pythons or the 2 anaconda species at all, but goes into detail about Boa constrictors. The native species accounts more than make up for it, but it is an oversight in my opinion.
The comprehensive keys, excellent photographs, and detailed information makes this the best snake book I own.
I am a master's student and the information in this book as well as the comprehensive literature cited will help me in my studies.