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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]
Lists only exist for some orders; for example, the most diverse order - rodents - is missing. Much of the data in these lists were created by the International Union for Conservation of Nature (IUCN) Global Mammal Assessment Team, which consists of 1700 mammalogists from over 130 countries. They recognize 5488 species in the class. [1] [2]
Common name Binomial name Population Status Trend Notes Image Hainan black crested gibbon: Nomascus hainanus: 20–50 [1] CR [1] [1] Population was estimated at over 2,000 in the late 1950s. [1] Eastern black crested gibbon: Nomascus nasutus: 45–47 [2] CR [2] [2] Previously thought to be possibly extinct. Numbers may be higher. [2] Cat Ba langur
Around 2,000 years ago, they were still common in many parts of China. Around 12,000 years ago, they also lived in Borneo. Today, you can only find Javan rhinos in one place on Earth, the Ujung ...
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.
Insects make up the vast majority of animal species. [14]Chapman, 2005 and 2009 [9] has attempted to compile perhaps the most comprehensive recent statistics on numbers of extant species, drawing on a range of published and unpublished sources, and has come up with a figure of approximately 1.9 million estimated described taxa, as against possibly a total of between 11 and 12 million ...
The animal kingdom boasts some incredibly long lifespans that far exceed the average human's. While humans may have an "absolute limit" of 150 years, this is just a blink of an eye compared ...
75% of the tigers in the world belongs to India. 13 countries including India, Bangladesh, Myanmmar, Bhutan, China, Russia have taken a misson to double the worldwide tiger population by the year 2022. [26] Island fox: Urocyon littoralis: 4,001 [27] NT [27] Sunda clouded leopard: Neofelis diardi: 4,500 [28] VU [28] [28] Maximum estimate. [6 ...