* Extinct flightless bird that was endemic to Mauritius
* Reached heights of up to 1 meter
* Believed to have been hunted to extinction by humans and introduced predators
* Last confirmed sighting was in 1662
2. Woolly Mammoth
* Extinct species of elephant that was widespread across northern Eurasia and North America during the Ice Age
* Reached heights of up to 3 meters
* Believed to have been hunted to extinction by humans and climate change
* Last confirmed sighting was around 10,000 years ago
3. Saber-Toothed Tiger
* Extinct species of big cat that was widespread across North America, South America, and Europe during the Ice Age
* Reached heights of up to 1.5 meters
* Believed to have been hunted to extinction by humans and climate change
* Last confirmed sighting was around 10,000 years ago