If you run into one of these creepy crawlers, better run for cover. One bite can kill! Luckily, none of these reptiles is native to the U.S. Here are the world's most poisonous snakes:
1. Black Mamba (Africa)
95% to 100% of bites are fatal
2. Common Krait (Southeast Asia)
77% to 93%
3. Russell's Viper (South Asia)
30% to 65%
4. Taipan (Australia)
25% to 50%
5. Indian Cobra (South Asia)
33%
Source: The Top 10 of Everything 1999 by Russell Ash (DK Publishing, Inc.)