Lonely Gorge, the last representative of its kind was found dead in the Galapagos National Park, where he lived. Although exact age isn't known, scientists believe that he was more than 100 years old.
Officially announced extinct in 2006. A photo was taken of a similar creature in 2007. Despite the fact that Yangtze river dolphin is still considered to be extinct, there may be one or two representatives of the species still alive.
These rhinos became a victim of poachers. Even strict laws were unable to stop poachers and Western Black Rhino went extinct.
Although the last representative of the Caribbean monk seal was observed in 1952, but they were officially declared extinct in 2008. The seals were hunted for the oil in 18-19 centuries. Monk seals weren't aggressive and were afraid of people. According to the zoo's owner (20th century), who held a number of Caribbean monk seals, Seals were spitting the water on visitors, if they approached them too close.
Almost two decades ago, Ivory-billed Woodpecker was announced extinct. However, there are sources saying that these birds were spotted recently. The sources report that Ivory-billed Woodpeckers emmett really exclusive sounds. Despite that, Ivory-billed Woodpecker is still considered extinct.
A small diving duck lived in one of Madagascar's lakes. Predatory fish brought by people exterminated them.
One of the reasons these birds went extinct was pesticides. The second reason was that their natural habitat was destroyed. NASA built a cosmic research center in their living area.
Those grizzlies were exterminated by farmers because Mexican Grizzlies were hunting domestic animals.
Javan tigers lived in Indonesia. They disappeared when their living land was converted to farms. The last know tiger was shot at Java island mountains in 1984.
Scientists haven’t declared Saint Helena earwing as extinct, but this insect was last spotted alive in 1967. No one has reported seeing it since then.
These sea lions were hunted intensively and they lost their natural habitat during WW II. One young Japanese sea lion was caught in 1974, but scientists were unable to find any more of them since then.
The last known representative has died 200 years ago when a tree fell on him. The scientists in 2009 used DNR samples to clone the ibex. It was unsuccessful attempt - the Pyrenean ibex died from lung problems days later.
This frog from Australia swallowed its eggs and gave birth to fully developed little frogs from the mouth. The last known representative died at laboratory in 1983.