Dalquest's pocket mouse

Dalquest's pocket mouse (Chaetodipus dalquesti) is a species of rodent in the family Heteromyidae, although it is now generally treated as a subspecies of Chaetodipus ammophilus. It is endemic to Mexico. The pocket mouse is named after Walter W. Dalquest (1917-2000), an American zoologist associated with the American Museum of Natural History and Harvard's Museum of Comparative Zoology.