Albert's Lyrebird has a very restricted habitat and had been listed as Vulnerable by the IUCN, but due to careful management of the species and its habitat the species was downgraded to Near Threatened in 2009.

As of 2009, both species are classified as Vulnerable in the IUCN Red List.

* IUCN ( 2009 ) BirdLife International Downloaded on 08 Jan 2009

* IUCN ( 2009 ) BirdLife International Downloaded on 08 Jan 2009

* IUCN ( 2009 ) BirdLife International Downloaded on 08 Jan 2009

Since the trend of the population appears to be increasing, the species has been evaluated as Least Concern by IUCN in 2009.

* IUCN ( 2009 ) BirdLife International Downloaded on 8 January 2009

Since the trend of the population appears to be slowly decreasing, the species has been evaluated as Least Concern by IUCN in 2009.

* ( 2009 ): 2009 IUCN Red List of Threatened Species.

* IUCN ( 2009 ) BirdLife International

* IUCN ( 2009 ) BirdLife International Downloaded on 08 Jan 2009

In 2009 the conservation status of the species was downgraded to endangered from critically endangered by the International Union for Conservation of Nature ( IUCN ).

* IUCN ( 2009 ) BirdLife International Downloaded on 08 Jan 2009

* IUCN ( 2009 ) BirdLife International Downloaded on 08 Jan 2009

* IUCN ( 2009 ) BirdLife International Downloaded on 8 January 2009

CITES ( the Convention on International Trade in Endangered Species of Wild Fauna and Flora, also known as the Washington Convention ) is a multilateral treaty, drafted as a result of a resolution adopted in 1963 at a meeting of members of the International Union for Conservation of Nature ( IUCN ).

A later claim of a live individual sighted in 1852 on the Grand Banks of Newfoundland has been accepted by the International Union for Conservation of Nature and Natural Resources ( IUCN ).

It is classified by the International Union for Conservation of Nature ( IUCN ) as Least Concern, but has been extirpated from many parts of its former range, and some subspecies are classified as Endangered.

* Cryptobranchus alleganiensis on the IUCN Red List of Threatened Species at International Union for Conservation of Nature

The species is listed as critically endangered and possibly extinct by the International Union for Conservation of Nature ( IUCN ).

Although individual nations designate their own national parks differently ( for example, see Martin Luther King, Jr. Memorial in the United States ), an international organization, the International Union for Conservation of Nature ( IUCN ), and its World Commission on Protected Areas, has defined " National Park " as its Category II type of protected areas.

In 1969 the IUCN ( International Union for the Conservation of Nature and Natural Resources ) declared a national park to be a relatively large area with particular defining characteristics.

Cheetahs are included on the International Union for Conservation of Nature ( IUCN ) list of vulnerable species ( African subspecies threatened, Asiatic subspecies in critical situation ) as well as on the US Endangered Species Act: threatened species-Appendix I of CITES ( Convention on International Trade in Endangered Species ).

Some of the earliest forms of transnational environmental NGOs started to appear after the Second World War with the creation of the International Union for the Conservation of Nature and Natural Resources ( IUCN ).

Species listed under this status by the International Union for Conservation of Nature ( IUCN ) are not known to have any living specimens in the wild, and are maintained only in zoos or other artificial environments.

The International Union for Conservation of Nature ( IUCN ) declared giant manta rays as ’ vulnerable with an elevated risk of extinction ’ in November 2011.

The IUCN lists the dugong as a species vulnerable to extinction, while the Convention on International Trade in Endangered Species limits or bans the trade of derived products.

The International Union for Conservation of Nature ( IUCN ) lists the species as Least Concern due to its abundance.

It has been used in this sense by government organizations as well as conservation groups such as the International Union for Conservation of Nature ( IUCN ) and the California Native Plant Society .< ref name = neutral >

West African chimpanzees: status survey and conservation action plan, International Union for Conservation of Nature and Natural Resources, IUCN / SSC Primate Specialist Group, 219 pages ISBN 2-8317-0733-1, ISBN 978-2-8317-0733-4

According to the International Union for Conservation of Nature ( IUCN ), Indonesia has 13 hornbill species: 9 of them exist in Sumatra, and the rest exist in Sumba, Sulawesi, Papua and in Kalimantan has the same hornbill species as in Sumatra, except the Rangkong Papan ( Buceros bicornis ).

In 2010, the IUCN and BirdLife International listed this species as critically endangered.

The definition that has been widely accepted across regional and global frameworks has been provided by the International Union for Conservation of Nature ( IUCN ) in its categorisation guidelines for protected areas.

The International Union for Conservation of Nature ( IUCN, Union internationale pour la conservation de la nature ( UICN ), in French ) is an international organization dedicated to finding " pragmatic solutions to our most pressing environment and development challenges ".

* 1956: Name changed from International Union for the Preservation of Nature ( IUPN ) to the International Union for the Conservation of Nature and Natural Resources ( IUCN )

* 1974: The IUCN is involved in obtaining the agreement of its members to sign a Convention on International Trade in Endangered Species of Wild Fauna and Flora ( CITES ), whose secretariat was originally lodged with the IUCN

The Amphibian Specialist Group of the World Conservation Union ( IUCN ) is spearheading efforts to implement a comprehensive global strategy for amphibian conservation.

Habitat destruction threatens the survival of indigenous and endemic species, including 140 species of mammals identified by the World Conservation Union ( IUCN ) as threatened, and 15 identified as critically endangered, including the Sumatran Orangutan.

In May 2006 the hippopotamus was identified as a vulnerable species on the IUCN Red List drawn up by the World Conservation Union ( IUCN ), with an estimated population of between 125, 000 and 150, 000 hippos, a decline of between 7 % and 20 % since the IUCN's 1996 study.

The World Conservation Union ( IUCN ) has placed four cavefish species on the Red List of threatened species.

The World Conservation Union ( IUCN ) classifies wilderness at two levels, Ia ( Strict Nature Preserves ) and Ib ( Wilderness areas ).