Isabelle's ghost bat (''Diclidurus isabella'') is a

bat Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most ...

species found in northwestern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Guyana Guyana ( or ), officially the Cooperative Republic of Guyana, is a country on the northern mainland of South America. Guyana is an indigenous word which means "Land of Many Waters". The capital city is Georgetown. Guyana is bordered by the ...

, and

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...

, and possibly

Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...

. It was discovered in October 1916 by

Emilie Snethlage Maria Emilie Snethlage (April 13, 1868 – November 25, 1929) was a German-born Brazilian naturalist and ornithologist who worked on the bird fauna of the Amazon. Snethlage collected in Brazil from 1905 until her death. She was the director of t ...

, and described by

Oldfield Thomas Michael Rogers Oldfield Thomas (21 February 1858 – 16 June 1929) was a British zoologist. Career Thomas worked at the Natural History Museum on mammals, describing about 2,000 new species and subspecies for the first time. He was appoin ...

in 1920. While the species name is suggestive that he named it after someone, his notes did not say this as they usually would. It has been suggested that the species name is instead a reference to the color isabelline. In that case, the common name should instead be the isabelline ghost bat.Beolens, B., Watkins, M., & Grayson, M. (2009). The eponym dictionary of mammals. JHU Press. They are pale brown in color, with the head and shoulders appearing whitish. Their forearms are approximately long.Thomas, O. (1920). XXXIII.—On mammals from the lower amazons in the Goeldi Museum, Para. Journal of Natural History, 6(33), 266-283.

References

Diclidurus Bats of South America Bats of Brazil Mammals of Guyana Mammals of Venezuela Mammals described in 1920 Taxa named by Oldfield Thomas {{Emballonuridae-stub