Mouse

MICE

RATS

Rattus norvegicus
Outdoor mice of the genus Apodemus that resemble the house mouse but differ mainly in size, as well as the various species of mice of Eurasia and America. The most well-known species are:
- – Apodemus sylvaticus
- – Apodemus agrarius
- – Apodemus flavicolis

CHARACTERISTICS OF THE HARMFUL MICE (MURIDAE)
	RATTUS NORVEGICUS	RATTUS RATTUS	MUS MUSCULUS
BODY	Large, strong	Smaller than R.norvegicus	Smaller than R.rattus
Average Body Weight	Approximately 300 g	Approximately 200 g	Approximately 150 g
Ave rage Body Length	Approximately 21-25 cm	Approximately 15-22,5 cm	Approximately 8-9 cm
Average Tail Length	Approximately 21-25 cm	Approximately 20-25 cm	Approximately 10-15 cm
SNOUT	Stiff	Pointed	Pointed
EARS	Small, covered with hair	Larger, almost hairless	Large upright
EYES	Small	Larger, prominent	Small
TAIL	Dark and often light-colored	Dark, uneven, larger than R. Norvegicus	Bigger than its body
FUR	Coarse, brown to black, rarely gray	Gray to black, smooth, soft	Light brown to gray
DROPPINGS	Pellet > 20 mm	Pellet 10-15 mm	Pellet 3-6 mm
VISION	Limited	Limited	Limited to good
OLFACTION-TASTE-HEARING	Excellent	Excellent	Excellent
FOOD	Omnivore, prefers meat in quantities > 28 g per day	Omnivore, prefers fruits, seeds, vegetables in quantities > 20 g per day	Omnivore, prefers seeds and a small quantity
NESTS	Mainly underground	Underground or in walls, trees, basements	Anywhere
CLIMBING	Not easily	Good climber, agile, active	Very good climber
LIFESPAN	Up to six years	Up to six years	Up to 3 years
GENERATIONS / YEAR	3-6	1-6	4-6
GENERATIONS / YEAR	3-6	1-6	4-6
NEWBORN / GENERATION	6-10	6-10	4-8
SWIMMING	Excellent	Good	Good, but it avoids water