The roof rat is an excellent climber and swimmer. When outdoors, they prefer to nest in high places (trees, hanging plants, roof ledges, etc.). Inside buildings, they nest in the upper parts (attics, holes in roofs and walls, etc.), but they can also be found in lower parts.
- it has a head-body length of 16 to 24 cm and weighs between 150 to 250 grams.
- the tail is longer than the head and body (up to 130%).
- compared to their peers, they have a relatively pointed snout and significantly larger ears.