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Threatened species - Wikipedia, the free encyclopedia
Species that are threatened are sometimes characterised by the population ... Under the Endangered Species Act in the United States, "threatened" is the less ...
en.wikipedia.org

List of endangered species in India - Wikipedia, the free encyclopedia
4 Threatened. 5 See also. 6 References [edit] Critically Endangered: ... bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn "List of endangered species". Animal Info. ...
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Threatened & Endangered Species - MFWP
This page contains a listing of each of Montana's threatened and endangered species and their histories. ... Threatened, Proposed, and Candidate Species by ...
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IUCN Red List of Threatened Species Database
Browse the IUCN Red List of Threatened Species searchable database of species that are currently endandered or close to extinction. Includes complete information ...
www.iucnredlist.org

Fish and Wildlife Service
A "threatened" species is one that is likely to become endangered in the foreseeable future. ... The number of species listed as threatened or endangered ...
www.fws.gov

US lists polar bear as threatened species
US lists polar bear as threatened species. May 14 02:37 PM US/Eastern. By H. JOSEF HEBERT ... should be declared threatened under the Endangered Species Act. ...
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IA DNR: Threatened and Endangered Species
Individual species of plants and animals may contribute to the survival of other species within a community. The loss of what appears to be an unimportant species ...
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Threatened and Endangered Species - MarineBio.org
Threatened & Endangered Species. Conservation Home / NEXT: Habitat ... of Threatened Marine Species " ... The definition of a threatened species is one that may ...
marinebio.org

TPWD: Endangered and Threatened Species
Rare, Threatened, and Endangered Species of Texas by County ... Rare Resources Review Requests (Including Threatened and Endangered Species) (PDF 268.5 KB) ...
www.tpwd.state.tx.us

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)Threatened species are any species (including animals, plants, fungi, insects, bugs, etc.) which are vulnerable to extinction in the near future.

The World Conservation Union (IUCN) is the foremost authority on threatened species, and treats threatened species not as a single category, but as a group of three categories: Vulnerable species, endangered species, and Critically endangered species, depending on the degree to which they are threatened.

Species which are threatened are sometimes characterised by the population dynamics measure of critical depensation, a mathematical measure of biomass related to population growth rate. This quantitative metric is one method of evaluating the degree of endangerment.

Less-than-threatened categories are Near Threatened, Least Concern, and the no longer assigned category of Conservation Dependent. Species which have not been evaluated (NE), or do not have sufficient data (Data Deficient) also are not considered "threatened" by the IUCN.

Although threatened and vulnerable may be used interchangeably when discussing IUCN categories, the term threatened is generally used to refer to the three categories (critically endangered, endangered and vulnerable), while vulnerable is used to refer to the least at risk of those three categories. They may be used interchangeably in most contexts however, as all vulnerable species are threatened species (vulnerable is a category of threatened species); and, as the more at-risk categories of threatened species (namely endangered and critically endangered) must, by definition, also qualify as vulnerable species, all threatened species may also be considered vulnerable.

Threatened species are also referred to as a red-listed species, as they are listed in the IUCN Red List.

Subspecies, populations and stocks may also be classified as threatened.

United States Under the Endangered Species Act in the United States, "threatened" is the less protected the two protected categories. The Bay checkerspot butterfly (Euphydryas editha bayensis) is an example of a threatened subspecies protected under the ESA.

See also

• Biodiversity Action Plan
• IUCN Red List
• Illegal logging
• Rare species
• Red-listed and Blue-listed
• Slash-and-burn
• Threatened fauna of Australia

External links

• categories_criteria IUCN Red List Categories and Criteria
• threatened species

Threatened species - Wikipedia, the free encyclopedia
Threatened species are any species (including animals, plants, fungi, etc.) which are vulnerable to extinction in the near future. World Conservation Union (IUCN) is the foremost ...

Conservation group's threatened species list shows escalating 'global ...
More than 180 species added to the World Conservation Union's annual threatened species list ... 12.45pm. Threatened species Red List shows escalating 'global extinction crisis'

Threatened species
H2O zone, the learning resource zone aimed at secondary school children ... Although comprising only 10% of the UK land area, the south ...

78 Threatened Species
Threatened Species. Editor: Craig Donnellan Publisher: Independence Educational Publishers Price: £7.45 COVER: Paperback ISBN: 978 1 86168 267 3

BBC NEWS | Science/Nature | Threatened species 'need far more cash'
The amount the world is spending to protect the homes of endangered wildlife is barely three-quarters of what is needed, researchers say.

Threatened or extinct species (1)
Photocopiable Threatened or extinct species (1) teachers' notes Threatened species are any species that are at risk of becoming extinct in the near future. The World Conservation ...

Threatened Species Trail
THREATENED SPECIES TRAIL There are 25 signs around the zoo, you can use the map to help you find them. They look like this: There are two parts to the Threatened Species Trail, you ...

BBC NEWS | Science/Nature | No protection for many threatened species ...
Hundreds of bird, animal and amphibian species at risk of extinction live in areas which are entirely unprotected, scientists say.

Threatened species total 'hugely underestimated' - 09 September 2004 ...
That is because existing estimates do not account for animals and plants that depend on known threatened species, say researchers

Action for threatened species - Butterfly Conservation
Butterfly Conservation is a British charity devoted to saving butterflies, moths and their habitats throughout the UK.