- Dodo: The dodo was a flightless bird that was endemic to the island of Mauritius. It was about 1 meter (3 feet) tall and weighed around 10 to 15 kilograms (22 to 33 pounds). The dodo had a large beak, small wings, and a long tail. It was herbivorous and ate fruits, seeds, and leaves. The dodo was hunted to extinction by humans in the 17th century.
- Tasmanian tiger: The Tasmanian tiger, also known as the thylacine, was a carnivorous marsupial that was native to Tasmania. It was about 1.5 meters (5 feet) long and weighed around 25 kilograms (55 pounds). The Tasmanian tiger had a dog-like appearance, with stripes on its back and a long tail. It was a solitary animal that hunted at night. The Tasmanian tiger was hunted to extinction by humans in the 20th century.
- Passenger pigeon: The passenger pigeon was a migratory bird that was once abundant in North America. It was about 35 centimeters (14 inches) long and weighed around 300 grams (11 ounces). The passenger pigeon had a bluish-gray body and a long tail. It was herbivorous and ate fruits and nuts. The passenger pigeon was hunted to extinction by humans in the 19th century.
- Great auk: The great auk was a flightless bird that was native to the North Atlantic Ocean. It was about 85 centimeters (33 inches) long and weighed around 5 kilograms (11 pounds). The great auk had a black and white body and a large beak. It was an excellent swimmer and diver, and it fed on fish and other marine animals. The great auk was hunted to extinction by humans in the 19th century.