DPS’s
“Species” includes . . . any distinct population segment of any species of vertebrate . . .”
Discreteness
- “It is markedly separated from other populations . . . Quantitative measures of genetic or morphological discontinuity may provide evidence of this separation.”
Significance
- “The discrete population segment differs markedly from other populations of the species in its genetic characteristics.”
http://endangered.fws.gov/policy/pol005.html