Extinct Long Tailed Hopping Mouse

Extinct Laughing Owl

Extinct Caribbean Monk Seal

Critically Endangered Vancouver Island Marmot

Critically Endangered Santa Catalina Rattlesnake

Critically Endangered Chilean Woodstar

Critically Endangered Sunda or Sumatran Tiger

Extinct Thylacine, also known as Tasmanian Tiger or Tasmanian Wolf

Critically Endangered Lemur Leaf Frog

Critically Endangered Mongoose Lemur

Critically Endangered Diademed Sifaka

Critically Endangered Red-ruffed Lemur