Rats have an incredibly good sense of smell.
Rats seem happy doing repetitive tasks.
Rats have terrible eyesight.
Rats have been known to make a laughter-like noise (unable to be heard by humans) when tickled.
Rat is the first animal on the Chinese Zodiac. The Chinese call it "The Year of the Rat".
Rats use their tail to control body temperature because they can not sweat.
Rats are actually very clean animals.
Rats can swim and seem to enjoy it.
Rats don't have thumbs.
Rats have strong teeth that allow them to chew through glass, cinder block, wire, aluminum and lead.
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