The black rat’s coat varies from grey to black. Black rats generally reach a length of 15 to 20 cm, to which is added a long tail of 20 cm. He is an excellent climber and can swim but is not attracted to water.
From 9 to 15 months. Sexual maturity after 12 weeks. From 3 to 10 juveniles per litter and up to 6 to 8 litters per year.
Omnivorous: 25 to 30 g of food per day. Needs a lot of fresh water.
In general, it does not have a burrow. Excellent climber. It is mainly used in high places, in attics, attics, attics, empty spaces between furniture and walls. Particularly active at night. Very suspicious.
Damage to materials and structures caused by gnawing (wood, electrical wires, pipes, insulation, etc.). Eats and pollutes food.
Transmitted diseases: salmonella by feces, leptospirosis by urine, foot-and-mouth disease or murine typhus, plague via parasites such as fleas.
- Excrements: long and dark excrements from 10 to 20 mm, often grouped, in the shape of a spindle.
- Tooth marks
- Burrows and galleries