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Hace 2 días · Extinction is the termination of a taxon by the death of its last member.A taxon may become functionally extinct before the death of its last member if it loses the capacity to reproduce and recover. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively. This difficulty leads to phenomena such as Lazarus taxa, where a ...
Hace 5 días · Mammoth, any member of an extinct group of elephants found as fossils in Pleistocene and Holocene deposits on several continents. The woolly, Northern, or Siberian mammoth (Mammuthus primigenius) is by far the best-known of all mammoths and may have persisted as late as 4,300 years ago.
Hace 2 días · The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.Most other tetrapods weighing more than 25 kilograms (55 pounds) also became extinct, with the ...
Hace 5 días · The thylacine was a slender fox-faced animal that originally inhabited the Australian mainland, New Guinea, and Tasmania. It is now extinct. It was the largest carnivorous marsupial of recent times. Having been widely hunted by European settlers, the thylacine had become rare by 1914, and the last known living specimen died in a ...
Hace 5 días · Great auk, flightless seabird extinct since 1844. It belonged to the family Alcidae (order Charadriiformes) and bred in colonies on rocky islands off North Atlantic coasts. Utterly defenseless, great auks were killed by rapacious hunters for food and bait.
Hace 2 días · Homo erectus (/ ˌ h oʊ m oʊ ə ˈ r ɛ k t ə s /; meaning "upright man") is an extinct species of archaic human from the Pleistocene, with its earliest occurrence about 2 million years ago. Its specimens are among the first recognizable members of the genus Homo.
Hace 4 días · Extinction of animals and plants. Read scientific research on the dinosaur extinction, future mass extinctions, and endangered species. What can be done?
