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Saguaro National Park
Twilight Hike Description - West District
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![Gila Monster Gila Monster](https://webarchive.library.unt.edu/eot2008/20081101211721im_/http://www.nps.gov/imr/customcf/apps/CMS_HandF/Pictures/SAGU_gila-monster.gif) |
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Did You Know?
Gila monsters are one of two venomous lizards in the world. The other is the similar Mexican beaded lizard. Gila monster venom evolved as a defensive rather than offensive weapon.
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Last Updated: July 14, 2007 at 18:15 EST |