The mouse is color blind. They also don’t like daylight. In other words, rats are nocturnal. In the dark, they have a chance to self-launch.
The mouse’s hearing is very good. They can hear sounds in ultrasonic ranges. When communicating with each other, mice make both ordinary sounds (human can hear them) and ultrasound (sounds that the human ear cannot hear).
The urine of a male mouse is different from that of a female mouse. The urine composition of male mice has 5 factors that do not have urine of female mice.
Newborn rats are blind, and they also have no body hair.
Rats sleep more than 12 hours a day. Many of us must also be jealous of rats in this regard.
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