This page features lists of species and organisms that have become extinct. The reasons for extinction range from natural occurrences, such as shifts in the Earth's ecosystem or natural …

Sep 22, 2023 · The article provides a detailed list of 25 extinct animals, including the Tasmanian Tiger, Woolly Mammoth, Dodo, Passenger Pigeon, and the Mexican Grizzly Bear, among …

May 9, 2025 · Explore a list of 100 animals that have recently become extinct, including mammals, birds, reptiles, amphibians, fish, insects, and invertebrates.

Sep 16, 2024 · Over the planet’s 4.5-billion-years in existence, an estimated 99% of all species that have ever lived on Earth are now extinct. This staggering figure includes countless forms …

Learn about animals that became extinct recently and in the more distant past, and what species that are going extinct in the near future. Dates and cause of extinction, and more.

Extinction happens when environmental factors or evolutionary problems cause a species to die out. The disappearance of species from Earth is ongoing, and rates have varied over time.

Nov 2, 2025 · Extinction, in biology, is the dying out or extermination of a species. It occurs when species are diminished because of environmental forces (natural or human-made) or because …

An animal is considered extinct when the last remaining member of its species dies out and there is not a single individual left on Earth. Causes of extinction might include an epidemic, extreme …

Aug 5, 2024 · From a Galapagos tortoise to one black rhino subspecies, these 11 species have been declared extinct or possibly extinct over the past half-century.

Learn about the 5 mass extinctions, and see a list of some extinct species. Explore how we can prevent extinctions, or possibly reverse them.