Sumatran orangutan (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sumatran orangutan" in Simple English language version.

refsWebsite

Global rank Simple English rank

1iucnredlist.org

88^th place

66^th place

6^th place

4^th place

archive.org

Lesson, René-Primevère (1827). Manuel de mammalogie ou Histoire naturelle des mammifères (in French). Paris: Roret, Libraire. p. 32.

iucnredlist.org

Singleton, Ian; Wich, Serge A.; Nowak, Matthew G.; Usher, Graham; Utami-Atmoko, Sri Suchi (2017). "Pongo abelii (errata version published in 2018)". IUCN Red List of Threatened Species. 2017: e.T121097935A123797627.title has extraneous text