Rat

The rat is a small scavenger mammal that has proved to be a pest in both urban and rural areas where rats are normally present due to an abundance of food. Rats are known to kill smaller livestock on farms, and there is the myth that you are only ever 5ft away from a rat at anytime.

The rat can also carry and spread disease to a devastating effect although diseases carried by rats are generally not passed on to humans. However, in the middle ages, the black plague wiped out nearly two thirds of the European population. The disease was not caused by the rats directly but was actually caused by infected fleas carried on rats.

The most distinctive difference between rats and mice is their size. Rats tend to be much larger than mice and it is because of this that new rodent species that are discovered are easily classified as rats or mice.

In the wild, rats are preyed upon by many different animals including snakes, wildcats and birds of prey. In some cultures rats are hunted and eaten as food by humans. The bandicoot rat is a stable and popular food source in parts of Southeast Asia but it is thought that the eating of rats has not become popular elsewhere due to the eating of rats being socially acceptable in other cultures.

Today, rats are commonly kept as pets all over the world and are thought to have been bred as pets since the 1800s. Pet rats pose the same health risks to humans as other household animals so are not seen to carry harmful diseases. When tame, rats can be extremely friendly and can be taught to perform selective tasks such as doing certain actions in order to get food.

Rats are fast breeders and give birth to large litters of baby rats meaning that pet rats of different sexes should be separated at around a month old. Rats are able to start having babies at around 5 weeks of age and female rats give birth to litters of between 6 and 10 baby rats after a gestation period of 22 days.Although rats can live until they are 4 or 5 years old, female rats can no longer have babies after they are about 18 months old.

Rats are omnivorous animals and eat a mixture of plant and animal matter in order to get all the right nutrients. Rats are known to eat almost anything and the high rubbish levels in cities, as given way to a new generation of over sized super rats. The large rats are much bigger than the average rat and are more dominant in their environment meaning that the smaller rat species tend to suffer as a consequence.

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