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More than 99 percent of all species, amounting to over five billion species, [7] that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11]
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
Print/export Download as PDF ... out of 62 total. This list may not reflect recent changes. ... List of New World barbets; List of nocturnal animals;
List of marsupials by population – Wombats, koalas and kangaroos. List of lagomorphs by population – rabbits, hares, and pikas. List of other Afrotheres by population – seacows, sengis, golden moles, otter shrews, tenrecs, hyraxes and the aardvark. List of rodents by population – cavies, squirrels, springhares, mice, beaver etc.
Print/export Download as PDF; ... Pages in category "Lists of animals by country" ... out of 6 total. This list may not reflect recent changes. ...
List of individual apes; Oldest hominids; List of individual bears. List of giant pandas; List of individual birds; List of individual cats. List of longest-living cats; List of individual dogs. List of longest-living dogs; List of individual elephants; List of historical horses; List of individual bovines; List of individual cetaceans. List of ...
Pages for logged out editors learn more. Contributions; Talk; ... Print/export Download as PDF; ... Amongst the world's top 25 most endangered primates.
The higher taxonomy used for the ungulates of this order is based primarily on the Handbook of the Mammals of the World, Volume 2 on hoofed mammals, including the subfamily and tribal affiliations in each family. The order includes about 242 recognized ungulate species, along with 6 recently extinct species.