Rats are amazing creatures. They are able to survive in almost any conditions, and their intelligence is much better developed than it seems to the average person. And it is to laboratory rats that people are responsible for the development of medicine.
Rats as a species appeared long before man.
Rats are very social creatures, they never live alone.
They can be trained, if desired, not worse than cats and dogs. Rats are very clever and intelligent creatures.
The average life expectancy of a rat is about two years.
Rats perfectly swim and are able to dive.
If necessary, a rat can travel a distance of up to fifty kilometers per day.
Rats constantly communicate with each other through ultrasound.
The heart of a rat beats with a frequency of three hundred to five hundred beats per minute.
According to rough estimates, rats on Earth are twice as large as humans.
Teeth in rats grow throughout life.
For a year, one rat eats about a dozen kilograms of food.
In rats, the sense of smell is perfectly developed, which allows them to sense even the minimum concentrations of poison in food.
Rats are subject to stress and mental turmoil to such an extent that they can become deadly to them.
Rats can be ticklish and laugh when they tickle.
Rats, like people, dream.
An inexplicable fact is that rats feel danger and leave danger zones massively.
In the wild, rats live in colonies. In one colony there may be up to two thousand individuals.
In rats memory is very well developed. Laboratory rats with blindfold memory successfully overcome previously traversed labyrinths.
In just 1/50 second the rat can recognize the odor and detect its source.
Rats are able to gnaw holes in concrete and iron.
Rats are able to adapt to the most difficult conditions of existence, they can be found even on abandoned research stations in Antarctica.
In some countries, rats are eaten.
Rats never overeat – they have a well developed sense of satiation.
For a year the female of a rat is capable to give birth to hundreds of rats.
In Ireland, wild rats caused a complete disappearance of the population of swamp frogs – the rats simply ate them.
A flock of wild rats is quite capable of attacking prey, exceeding in size by dozens of times, for example, on dogs.
Rats can jump to a height of up to two meters.
In India there is the Temple of the Rats – Karni Mata. There are several tens of thousands of rats.
Rats are able to do without water for longer than camels.
