Otomops formosus Chasen, 1939

Java giant mastiff bat, Javan mastiff bat



Taxonomy & Nomenclature



Conservation Status

Last Record: 1939

Rediscovered in 1990

IUCN RedList status: Data Deficient



Java, Indonesia












Boeadi, B. 1990. On two new specimens of the insectivorous bat species Otomops formosus Chasen, 1939. Mammalia 54: 489.

Hutson, A.M., Schlitter, D., Walston, J., Kingston, T. & Senawi, J. 2016. Otomops formosus. The IUCN Red List of Threatened Species 2016: e.T15645A22112831. Downloaded on 15 February 2017.

Kitchener, D. J., How, R. A. and Maryanto, I. 1992. A new species of Otomops (Chiroptera: Molossidae) from Alor I., Nusa Tenggara, Indonesia. Records of the Western Australian Museum 15(4): 729-738.

Pacifici, M., Santini, L., Di Marco, M., Baisero, D., Francucci, L., Grottolo Marasini, G., Visconti, P. and Rondinini, C. 2013. Generation length for mammals. Nature Conservation 5: 87–94.

Scheffers, Brett R., Yong, Ding Li, Harris, J. Berton C., Giam, Xingli and Sodhi, Navjot S. (2011). The world’s rediscovered species: back from the brink? PLoS ONE 6(7): e22531. [Supporting Information (Table S1)]

Simmons, N.B. 2005. Order Chiroptera. In: D.E. Wilson and D.M. Reeder (eds), Mammal Species of the World, pp. 312-529. The Johns Hopkins University Press, Baltimore, MD, USA.

Simmons, N.B. and A.L. Cirranello. 2023. Bat Species of the World: A taxonomic and geographic database. Version 1.3. Accessed on 06/18/2023.

Walston, J. and Bates, P. J. J. 2001. The discovery of Wroughton's free-tailed bat Otomops wroughtoni (Chiroptera: Molossidae) in Cambodia. Acta Chiropterologica 3(2): 249-252.


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