This project started at the library after spotting a book of endangered animals (authored by RedList), leading me to this small selection of Critically Endangered, North American species (of which there were 466!) as listed below.
Species shown:
Bachman's Warbler
Florida Nutmeg Tree/Torreya
Dwarf Lliau
Alabama Sturgeon
Wagner's Plume Fern
Fluted Pebblesnail
Appalachian Monkey-face Pearly Mussel
Largetooth Sawfish
Chisos Mountains Oak
American Burying Beetle
Knowlton's Cactus
Adder's-mouth Orchid
Wai'anae Rage nehe/Slender-leaf nehe
Ramsey Canyon Leopard Frog
Boreal Felt Lichen
Vancouver Island Marmot
Staghorn Coral
Wiebke's beggarticks/Molokaʻi Koʻokoʻolau
Stone Mountain Fairy Shrimp
Jack-bean
Obey Crayfish
Red Wolf
Diamond Darter