Description: English: Location taken: Smithsonian National Museum of Natural History. Names: Onychomys leucogaster (Wied-Neuwied, 1841), Grasshopper Mouse, Noordelijke sprinkhaanmuis, northern grasshopper mouse, Rat, Ratón-saltamontes norteño, Ratón saltamontes norteño, Ratón-saltamontes norteñ Classification: Animalia > Chordata > Mammalia > Rodentia > Muridae > Peromyscini > Onychomys> Onychomys leucogaster. Date: 12 November 2005. Source: source: David Stang. First published at ZipcodeZoo.com. Author: Photo by David J. Stang.