Ryukyu brown frog (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ryukyu brown frog" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

2,913^th place

5,132^nd place

doi.org

IUCN SSC Amphibian Specialist Group (2021). "Rana kobai". IUCN Red List of Threatened Species. 2021: e.T81657710A179168013. doi:10.2305/IUCN.UK.2021-1.RLTS.T81657710A179168013.en. Retrieved 13 November 2021.

iucnredlist.org

IUCN SSC Amphibian Specialist Group (2021). "Rana kobai". IUCN Red List of Threatened Species. 2021: e.T81657710A179168013. doi:10.2305/IUCN.UK.2021-1.RLTS.T81657710A179168013.en. Retrieved 13 November 2021.

kyoto-u.ac.jp

repository.kulib.kyoto-u.ac.jp

MATSUI, Masafumi (December 2011). "On the Brown Frogs from the Ryukyu Archipelago, Japan,with Descriptions of Two New Species (Amphibia, Anura)" (PDF). Kyoto University Research Information Repository.