Types of rats

Question 1

An adult sewer rat is 20 to 30 cm long with a tail that is almost as long as the body. She weighs 100 - 500gr. A black rat is approx. 15 to 24 cm long with an even longer tail (up to 130%).

Answer

An adult sewer rat is 20 to 30 cm long with a tail that is almost as long as the body. She weighs 100 - 500gr. A black rat is approx. 15 to 24 cm long with an even longer tail (up to 130%).

Question 2

Rat droppings are banana shaped and dark brown. Sewer rats: +- 2 cm long, looks less rounded and shorter than those of black rats: +-1 cm long. If the rat poop is soft or shiny, this indicates an active infestation.

Answer

Rat droppings are banana shaped and dark brown. Sewer rats: +- 2 cm long, looks less rounded and shorter than those of black rats: +-1 cm long. If the rat poop is soft or shiny, this indicates an active infestation.

Question 3

A female rat can have multiple litters in a year, ranging from 4-12. Each litter can consist of 6-12+ pups, but the average is 8. Given these reproductive characteristics, a pair of rats can potentially produce hundreds of offspring within a year if left unchecked.

Answer

A female rat can have multiple litters in a year, ranging from 4-12. Each litter can consist of 6-12+ pups, but the average is 8. Given these reproductive characteristics, a pair of rats can potentially produce hundreds of offspring within a year if left unchecked.

Question 4

Sewer rats feed on both vegetable and animal food (rich in protein & starch), such as meat, grain, seeds, snails, larvae, bird eggs,... The roof rat mainly eats vegetable food. A rat eats 20-25 gr./day.

Answer

Sewer rats feed on both vegetable and animal food (rich in protein & starch), such as meat, grain, seeds, snails, larvae, bird eggs,... The roof rat mainly eats vegetable food. A rat eats 20-25 gr./day.

Question 5

Yes, there are around 65 species of rats in total. Some of them can also be kept as domestic pets. These rodents are highly intelligent and social animals. They can form a close bond with their owner and they can be trained. Do not try to domesticate a wild rat.

Answer

Yes, there are around 65 species of rats in total. Some of them can also be kept as domestic pets. These rodents are highly intelligent and social animals. They can form a close bond with their owner and they can be trained. Do not try to domesticate a wild rat.

Question 6

Rats are nocturnal rodents and usually sleep or hide during the day in their burrows, which they build below ground or between walls and on ceilings. If food is scarce, they will also come out during the day.

Answer

Rats are nocturnal rodents and usually sleep or hide during the day in their burrows, which they build below ground or between walls and on ceilings. If food is scarce, they will also come out during the day.

Question 7

Rats are mainly active at night and prefer to avoid people. Rats don't attack humans unless cornered. What does entail a risk is their gnawing damage and urine or feces that causes contamination (food, water,..) and spread diseases.

Answer

Rats are mainly active at night and prefer to avoid people. Rats don't attack humans unless cornered. What does entail a risk is their gnawing damage and urine or feces that causes contamination (food, water,..) and spread diseases.

Question 8

You can recognise a rat infestation if you find feces, brown/black smear marks on walls, gnawing damage to stock, material or infrastructure, torn soft materials, odor nuisance or hear nightly scribbling.

Answer

You can recognise a rat infestation if you find feces, brown/black smear marks on walls, gnawing damage to stock, material or infrastructure, torn soft materials, odor nuisance or hear nightly scribbling.

Question 9

Yes, because rats gnaw on materials they come across when exploring their environment, the insulation around electrical cables can be eaten, resulting in a short circuit and fire. Learn more on the risks of having rats.

Answer

Yes, because rats gnaw on materials they come across when exploring their environment, the insulation around electrical cables can be eaten, resulting in a short circuit and fire. Learn more on the risks of having rats.

Question 10

Rats look for shelter, food and water. If they find what they need (nesting places, compost heap, sewers, food leftovers, holes, garbage bins) they will most likely stay.

Answer

Rats look for shelter, food and water. If they find what they need (nesting places, compost heap, sewers, food leftovers, holes, garbage bins) they will most likely stay.

Roof rats	Sewer rats
15 to 24 cm	19 to 30 cm
between 150 and 250 grams	up to 500 grams
Droppings are banana-shaped, nicely rounded and approx. 1 cm	Droppings are capsule shaped, 'uglier' and up to 2 cm
Tail grows longer than body (up to 130%)	Scaly tail almost as long as body
Leaner body, pointed muzzle, larger eyes, longer shaggy coat and thinner haired ears	Heavier and more solidly built, fairly blunt muzzle and smaller ears.
Live mainly indoors	Live mainly outside
Climbers	Swimmers

Types of rats

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