World Animal Day: Species which no longer exist on Earth


Baiji White Dolphin

Although not officially recorded as extinct, no one has seen a Yangtze River Dolphin since 2002. Baiji White Dolphin, also called the Chinese River Dolphin, can only be found in the Yangtze River in China

Pyrenean Ibex

One of four subspecies of the Spanish Ibex or Iberian Goat that was found in the Iberian Peninsula. The last Pyrenean Ibex was killed by a falling tree in northern Spain in 2000. The exact cause of the Pyrenean Ibex’s extinction is unknow

Passenger Pigeon

Native to North America, the Passenger or Wild Pigeon has been extinct since the early 20th century. The Passenger Pigeon died out in the wild by around 1900, with the last known individual dying in captivity in 1914

Tasmanian Tiger

Native to Australia, Tasmania and New Guinea, the Tasmanian Tiger was a large carnivorous marsupial. The last wild Tasmanian Tiger was killed between 1910 and 1920, with the last captive one dying in Hobart Zoo, Tasmania in 1936

Stellers Sea Cow

Named after George Steller, a naturalist who discovered the creature in 1741, Stellers Sea Cow was a large herbivorous mammal. Within 27 years of discovery by Europeans, Steller’s Sea Cow was hunted to extinction

Great Auk

A large and flightless bird found in the North Atlantic and as far south as Northern Spain. The last of these birds was killed by three men who caught it on St Kilda, Scotland in 1844. When a large storm surged, they believed that the auk was a witch and was causing the storm


An extinct flightless bird that inhabited Mauritius was hunted to extinction by sailors and their domesticated animals, and invasive species. The last widely accepted sighting of a Dodo was in 1662

Woolly Mammoth

An enormous mammal, believed to be closely related to the modern-day elephant. The Woolly Mammoth eventually disappeared 10,000 years ago through a combination of hunting by humans and the disappearance of its habitat through climate change

Sabre-toothed Cat

Often called Sabre-toothed Tigers, they existed 55 million to 11,700 years ago. Sabre-tooth Cat’s extinction may be linked to the decline and extinction of the large herbivores they hunted among multiple reasons