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A species is declared extinct after exhaustive surveys of all potential habitats eliminate all reasonable doubt that the last individual of a species, whether in the wild or in captivity, has died. [15] Recently extinct species are defined by the IUCN as becoming extinct after 1500 CE. [1]
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 disasters, to human influences on nature by the overuse of natural resources, hunting and destruction of natural habitats.
This is a list of North American animals extinct in the Holocene that covers extinctions from the Holocene epoch, a geologic epoch that began about 11,650 years before present (about 9700 BCE) [A] and continues to the present day. [1] Recently extinct animals in the West Indies and Hawaii are in their own respective lists.
The last documented sighting of the baiji dolphin occurred in 2002. And just in the last decade there have been many more animals that disappeared from the planet, despite efforts by scientists.
The following list is incomplete by necessity, since the majority of extinctions are thought to be undocumented, and for many others there isn't a definitive, widely accepted last, or most recent record. According to the species-area theory, the present rate of extinction may be up to 140,000 species per year. [1]
More than 1,300 pea-sized snails, once believed to have gone extinct after no sightings were recorded for more than a century, have been released into the wild. Two species of the Desertas Island ...
The nominate subspecies of the white-mantled barbet has been considered extinct, but has been recorded recently. Botero white-mantled barbet, Capito hypoleucus carrikeri (Colombia, extant) Another subspecies of the white-mantled barbet, also considered extinct by some sources, but confirmed extant by researchers in Colombia.
Dr Alex Bond, senior curator in charge of birds at the Natural History Museum, has been part of the team tracing the fate of the curlew and said the extinction of bird species is “going to be ...