Websites

• ARKive — Images of endangered species
• ESPECIES Animal Facts Sheets
• Animal Info – Information on Endangered Mammals
• NatureServ Explorer — Includes both common and endangered species in the United States and Canada

Books

• Animals Under Threat (Juvenile Nonfiction/J599.668/Spi)
• Amazing Animals of the World (Juvenile Nonfiction/J591/Ama)
• Earth's Endangered Animal Series by Bobbie Kalman
• Endangered Wildlife of the World (Juvenile Reference/J591.529/End)