I WONDER - What Animals Have Gone Extinct?

The video discusses the concept of species extinction, highlighting that many animals have gone extinct without our knowledge. It mentions well-known extinct species like dodo birds, woolly mammoths, and sabre-toothed tigers. The video explains that our understanding of these animals comes from illustrations, written accounts, and fossils, as they went extinct long ago.

What new insight or understanding did you gain from this video?