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).
Beetle, American burying (Nicrophorus americanus)
Curlew, Eskimo (Numenius borealis)
Plover, piping (Charadrius melodus)
Puma (=cougar), eastern (Puma (=Felis) concolor couguar)
Sea turtle, green (Chelonia mydas)
Sea turtle, hawksbill (Eretmochelys imbricata)
Sea turtle, Kemp's ridley (Lepidochelys kempii)
Sea turtle, leatherback (Dermochelys coriacea)
Sea turtle, loggerhead (Caretta caretta)
Squirrel, Delmarva Peninsula fox (Sciurus niger cinereus)
Sturgeon, shortnose (Acipenser brevirostrum)
Turtle, bog (=Muhlenberg) northern (Clemmys muhlenbergii)
Wedgemussel, dwarf (Alasmidonta heterodon)
Whale, finback (Balaenoptera physalus)
Whale, humpback (Megaptera novaeangliae)
Whale, right (Balaena glacialis (incl. australis))
Wolf, gray (Canis lupus)
Source
US Fish & Wildlife Service. 'Threatened and Endangered Species (Delaware)' (On-line), The Endangered Species Program. Accessed April 30, 2008.
