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

bat Bats are flying mammals of the order Chiroptera (). 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 birds, flying with their very long spread-out ...

species found in northwestern

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

Guyana Guyana, officially the Co-operative Republic of Guyana, is a country on the northern coast of South America, part of the historic British West Indies. entry "Guyana" Georgetown, Guyana, Georgetown is the capital of Guyana and is also the co ...

, and

Venezuela Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many Federal Dependencies of Venezuela, islands and islets in the Caribbean Sea. It com ...

, and possibly

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

. It was discovered in October 1916 by Emilie Snethlage, 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, London, Natural History Museum on mammals, describing about 2,000 new species and subspecies for ...

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