sentence: Most gerbils are diurnal, some are crepuscular.
sentences_before: The 'Gerbil' is a family of rodents. There are approximately 110 species of gerbils. All gerbils are adapted to arid habitats. At one time, gerbils were known as 'Desert rats'.
sentences_after: The gerbil is native to Central Asia, India, the Middle East, and Africa. The average length of a gerbil is usually between six and twelve inches, this includes the tail which makes up one half of the total length. The gerbil is also a common household pet.
concept_name: gerbil
headings: Gerbil
categories: Rodents