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en.wikipedia.org/wiki/Lists_of_extinct_animals

The following are lists of extinct animals: By region. List of extinct animals of Africa · List of extinct animals of Réunion · List of extinct animals of Asia.

wwf.panda.org/about_our_earth/biodiversity/biodiversity

Surprisingly, scientists have a better understanding of how many stars there ... * Experts actually call this natural extinction rate the background extinction rate.

news.nationalgeographic.com/news/2014/05/140529-conservation-science-animals-species-endangered-extinction

May 30, 2014 ... Many on base knew Trouern-Trend as "the guy to identify critters," he ... a worldwide community of people who report sightings of animals and ...

www.telegraph.co.uk/news/2017/01/01/extinct-animals-could-lose-forever-2017

Jan 1, 2017 ... “I am worried the cheetah will go extinct,” Dr Durant says. ... They are names many of us have never heard, but their disappearance could have ...

www.endangeredspeciesinternational.org/overview1.html

As a result, the number of extinct and threatened species is definitely much higher than the current estimate. A species of plant or animal is classified Extinct  ...

www.biologicaldiversity.org/programs/biodiversity/elements_of_biodiversity/extinction_crisis

Nobody really knows how many species are in danger of becoming extinct. Noted ... No group of animals has a higher rate of endangerment than amphibians.

www.seeker.com/humans-caused-322-animal-extinctions-in-past-500-years-1768850883.html

5 days ago ... Many animals are threatened with human-caused extinction now, with researchers expressing particular concern over amphibian and ...

www.theworldcounts.com/counters/degradation_and_destruction_of_ecosystems/species_extinction_facts

We don't know exactly how many species go extinct every year but it could be ... the following animals will become extinct: polar bear, chimpanzee, elephant, ...

www.scientificamerican.com/slideshow/critically-endangered-species

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at ...