Keep in mind that urine can change in color due a variety of reasons, dehydration being one of the most common. However, urine can be discolored due to medications, certain foods (i.e., beets), or as a side effect of health conditions (i.e., liver disease).
These terms describe when an animal is most active: 1  Nocturnal - active primarily at night. 2  Diurnal - active primarily during the day. 3  Crepuscular - active primarily during both dawn and dusk. Many animals that are casually referred to as nocturnal are actually crepuscular.  Metaturnal - active part of the day and part of the night.
The fat sand rat is diurnal, but its activity on the surface depends on the ambient temperature. The fat sand rat normally has two litters every year; each litter usually comprises three to seven pups.