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  2. Conservation status - Wikipedia

    en.wikipedia.org/wiki/Conservation_status

    The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta

  3. IUCN Red List - Wikipedia

    en.wikipedia.org/wiki/IUCN_Red_List

    The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological species. [1] A series of Regional Red Lists, which assess the risk of extinction to species within a ...

  4. Don Edwards San Francisco Bay National Wildlife Refuge

    en.wikipedia.org/wiki/Don_Edwards_San_Francisco...

    It was founded in 1974 as the first urban National Wildlife Refuge established in the United States, and it is dedicated to preserving and enhancing wildlife habitat, protecting migratory birds, protecting threatened and endangered species, and providing opportunities for wildlife-oriented recreation and nature study for the surrounding communities.

  5. Endangered species - Wikipedia

    en.wikipedia.org/wiki/Endangered_species

    Using species data from the Database on the Economics and Management of Endangered Species database and the period that the Endangered Species Act (ESA) has been in existence, 1970 to 1997, a table was created that suggests a positive relationship between human activity and species endangerment.

  6. Wildlife conservation - Wikipedia

    en.wikipedia.org/wiki/Wildlife_conservation

    Wildlife conservation refers to the practice of protecting wild species and their habitats in order to maintain healthy wildlife species or populations and to restore, protect or enhance natural ecosystems. Major threats to wildlife include habitat destruction, degradation, fragmentation, overexploitation, poaching, pollution, climate change ...

  7. North American cougar - Wikipedia

    en.wikipedia.org/wiki/North_American_cougar

    The North American cougar (Puma concolor couguar) is a cougar subspecies in North America. It is the biggest cat in North America (North American jaguars are fairly small). [4][5] It was once common in eastern North America and is still prevalent in the western half of the continent. This subspecies includes populations in western Canada, the ...

  8. Mission blue butterfly habitat conservation - Wikipedia

    en.wikipedia.org/wiki/Mission_blue_butterfly...

    A large area of Mission blue butterfly habitat has been protected under the auspices of the U.S. Fish and Wildlife Service. In all, the San Bruno Mountain habitat conservation program has protected over 3,500 acres (14 km 2) of habitat since 1983. [4] San Bruno Mountain was the site of the nation's first Habitat Conservation Plan (HCP ...

  9. List of critically endangered species in the United States

    en.wikipedia.org/wiki/List_of_Critically...

    An IUCN Red List critically endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. [1] As of 2021, of the 120,372 species currently tracked by the IUCN, there are 8,404 species that are considered to be critically ...

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