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In 2011 a study published in PLoS Biology estimated there to be 8.7 million ± 1.3 million eukaryotic species on Earth. [11] By 2017, most estimates projected there to be around 11 million species or fewer on Earth. [4] A 2017 study estimated there are around at least 1 to 6 billion species, 70-90% of which are bacteria. [4]
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]
[5] [6] [7] Global population estimates for many of these at this time would lack accuracy. All numbers are estimates, because they are taken by observation , and a given number of 50 slender-billed curlews does not necessarily mean there are 10 more of this species than the black stilt , which has been estimated at 40: there is a possibility ...
Today, you can only find Javan rhinos in one place on Earth, the Ujung Kulon National Park in Indonesia. Over Around 2,000 years ago, they were still common in many parts of China.
Estimates on the number of Earth's current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86% have not yet been described. [129] However, a May 2016 scientific report estimates that 1 trillion species are currently on Earth, with only one-thousandth of one percent described. [ 130 ]
Period or supereon Extinction Date Probable causes [2]; Quaternary: Holocene extinction: c. 10,000 BC – Ongoing: Humans [3]: Quaternary extinction event: 640,000 ...
In addition to these, there are about 490 golden lion tamarins in 150 zoos around the world. [42] Lion-tailed macaque: Macaca silenus: 4,000 [43] EN [43] [43] Estimate is a maximum. [43] Silvery gibbon: Hylobates moloch: 4,000–4,500 [44] EN [44] [44] Javan surili: Presbytis comata: 5,000–12,000 [45] VU [45] | [45] Javan fuscous leaf monkey ...
Globally, averages of these predictions estimate there are around 1.5 million beetle species and 5.5 million insect species, with around 1 million insect species currently found and described. [3] Between 950,000–1,000,000 of all described animal species are considered insects, so over 50% of all described eukaryotes (1.8 million species) are ...