The following list is an adaptation of data published at the The US Fish & Wildlife Service's Endangered Species Program Website. For the most current data, please refer to US Fish & Wildlife Service database (TESS).
Dace, Kendall Warm Springs (Rhinichthys osculus thermalis)
Ferret, black-footed (Mustela nigripes)
Lynx, Canada (Lynx canadensis)
Mouse, Preble's meadow jumping (Zapus hudsonius preblei)
Toad, Wyoming (Bufo baxteri (=hemiophrys))
Source
US Fish & Wildlife Service. 'Threatened and Endangered Species (Wyoming)' (On-line), The Endangered Species Program. Accessed May 29, 2008.
