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In 2008, they were listed as near threatened. In 2012, they were reassessed as endangered.
[source:https://www.iucnredlist.org] -
[source:https://www.iucnredlist.org ]
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In 1996, they were classified as critically endangered. In 2008, they were reassessed and classified as endangered.
[source:https://www.iucnredlist.org] -
Listed critically endangered in 2008.
[source:https://www.iucnredlist.org]
[picture source: https://en.wikipedia.org/wiki/Niger_Delta_red_colobus] -
[source:https://www.iucnredlist.org]
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Listed critically endangered in 2016.
[source:https://www.iucnredlist.org] -
[source:https://www.iucnredlist.org ]
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[source:https://www.iucnredlist.org]
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[source:https://www.iucnredlist.org]
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[source:https://www.iucnredlist.org]
[picture source: https://en.wikipedia.org/wiki/Ring-tailed_lemur#cite_note-auto-10]
