Smithsonian National Zoological Park l Friends of the National Zoo



Eastern diamondback

By MSA 2005 Map showing pine-palmetto forests, dry pinelands habitats in southeastern United States


Class Reptilia
Order: Squamata
Family: Viperidae
Genus and species: Crotalus adamanteus
Every time this rattlesnake sheds, some skin remains behind, adding interlocking rings that form the rattle. But you can’t tell its age by counting rattle segments. Rattlesnakes may shed several times a year, and end segments often wear off.

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