Link to English Wikipedia entry: Yucatán Neotropical Rattlesnake
Link to German Wikipedia: Klapperschlangen
Link to French Wikipedia: Crotalus tzabcan
Link to EOL.org: Crotalus tzabcan
Link to iNaturalist.org: Crotalus tzabcan
Links to my pictures: Yucatán Neotropical Rattlesnake
Binomial Links for Crotalus tzabcan on guenther-eichhorn.com