portrait. 1. a drawing, painting, photograph etc of a person.
Tawny-Bellied Cotton Rat (Sigmodon fulviventer) 1  5 inches head to body length. 2  Tail is around 3.5 to 3.75 inches in length. 3  The back is black and peppered with cream white hairs.  Color of the sides are a 1  paler. The belly a pale orange color.  Tail is same length as the body, nearly naked, and bicolor.
The brown rat is a rather large true murid and can weigh twice as much as a black rat and many times more than a house mouse. The length is commonly in the range of 20 to 25 cm (8 to 10 in), with the tail a further 18 to 25 cm (7 to 10 in), thus being roughly the same length as the body.Adult body weight averages 350 g (12 oz) in males and about 250 g (9 oz) in females.he brown rat can breed throughout the year if conditions are suitable, with a female producing up to five litters a year. The gestation period is only 21 days, and litters can number up to 14, although seven is common.