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  2. 1. Javan Rhinos. Once found throughout south-east Asia, Javan rhinos have suffered a staggering decline in their numbers due to hunting and habitat loss. The lone wild population of Javan rhinos is one of the rarest of the rhino species—around 75 individuals—which can only be found on the island of Java, Indonesia.

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    • Rhinos. Are rhinos endangered? Some but not all rhino species are endangered. Black rhinos, Javan rhinos, Northern white rhinos (a subspecies of white rhinos), and Sumatran rhinos are critically endangered.
    • Amur leopards. How many Amur leopards are left? There are around 100 Amur leopards currently remaining, most of which live in the Russian Land of the Leopard protected area.
    • Orangutans. Why is the orangutan endangered? All three species of orangutan—the Sumatran orangutan, the Bornean orangutan, and the Tapanuli orangutan—are critically endangered.
    • Gorillas. How many gorillas are left? There are two species of gorillas, both which are critically endangered—the eastern gorilla and western gorilla. There are estimated to be only 2,600 eastern gorillas remaining in East Africa, and while the number of western gorillas is unknown, their population is reported to be decreasing.
    • A Dynamic Red List: Reasons For Changing Status
    • Non-Genuine Reasons
    • Genuine Reasons
    • An Expanding Red List: Knowledge Gaps and Fully Assessed Groups
    • How Many Species Are Threatened?
    • Tables 1 & 2: Threatened Species in Past and Present IUCN Red Lists
    • Tables 3 & 4: Summaries by Taxonomic Group
    • Tables 5 & 6: Summaries by Country
    • Table 7: Species Changing Red List Category
    • Table 8: Endemic Species by Country

    In order to monitor the changing status of biodiversity, it is essential to reassess species periodically. This reassessment may result in species moving into a different Red List Category for non-genuine or genuine reasons:

    New information has become available since the last assessment (e.g., more recent data are available on population sizes, threatening processes, rates of decline or recovery, etc.).
    There has been a taxonomic revision resulting in the species no longer being the same concept as it was before (e.g., it is now split into several species each with smaller ranges, population sizes...
    An error has been discovered in the previous assessment (e.g., the wrong information was used; the IUCN Red List Categories and Criteria were applied incorrectly; etc.).
    The previous assessment used an older version of the IUCN Red List Categories and Criteria and the reassessment uses the current criteria which have slightly different thresholds.
    The main threats are no longer present, or conservation measures (e.g., reintroduction, habitat protection or restoration, legal protection, harvest management, etc.) have successfully improved the...
    The main threats have continued unabated, have increased, or new threats have developed causing the status of the species to deteriorate enough to move it into a higher category of threat.

    In addition to species changing status, The IUCN Red List grows larger with each update as newly described species and species from the less well-known groups are assessed for the first time (Figure 1). IUCN and its partners are working to expand the number of taxonomic groups that have full and complete Red List assessments in order to improve our...

    Species assessed as Critically Endangered (CR), Endangered (EN), or Vulnerable (VU) are referred to as "threatened" species. However, Extinct in the Wild (EW) species can move into the threatened categories following successful reintroduction. Therefore, EW species should be included when reporting proportions of threatened species. Reporting the p...

    Tables 1 and 2 are organized by taxonomic group and show numbers of threatened species listed in the current version of The IUCN Red List in relation to the estimated number of described species (Table 1a), and numbers of threatened species in each version of The IUCN Red List since 1996 (Tables 1b and 2). These tables highlight the disparity betwe...

    Tables 3 and 4 are organized by taxonomic group. These should be used to see, for example, the numbers of globally threatened mammals, birds and amphibians (Table 4 is an expanded version of Table 3). These tables include number of species tagged as 'Possibly Extinct' (CR(PE)) and 'Possibly Extinct in the Wild' (CR(PEW)). These figures are included...

    Tables 5 and 6 are organized by country. These should be used to see, for example, number of globally threatened mammals or the numbers of Critically Endangered species occurring within a specific country. The figures presented in Tables 5 and 6 include only certain distributions, reintroduced species and regionally extinct species (i.e., the figur...

    Table 7 is organized by taxonomic group. This table should be used to check which species have changed Red List status since the previous Red List update and the main reason for the status change. Table 7 is provided here for the current Red List and for previous Red Lists (dating back to 2007). Important Note: Table 7 is provided only to summarize...

    Table 8 is similar to the country tables (Tables 5 and 6), but focus on endemic species only (i.e., species occurring naturally within one country only). This table only presents figures for the comprehensively assessed species groups (i.e., where >80% of the species in the group have been assessed). Note that the Advanced Searchpage includes a fil...

  3. The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction. It divides species into nine categories: Not Evaluated, Data Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered, Extinct in the Wild and Extinct .

  4. Jan 16, 2024 · 1. Amur Leopard. First on the list of the world’s most endangered animals in 2022 is the amur leopard. Between 2014 and 2015, only around 92 individuals were left in their natural range. This number is now estimated to be around 84.

  5. Critically Endangered: Eastern Lowland Gorilla: Gorilla beringei graueri: Critically Endangered: Hawksbill Turtle: Eretmochelys imbricata: Critically Endangered: Javan Rhino: Rhinoceros sondaicus: Critically Endangered: Orangutan: Pongo abelii, Pongo pygmaeus: Critically Endangered: Saola: Pseudoryx nghetinhensis: Critically Endangered ...

  6. Jan 30, 2024 · From the red wolf and Florida panther to the manatee and Franklin’s bumblebee, these are just 10 of the most endangered species in the US in 2024.

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