Rats - Facts You Didnt Know About Them

Rats have an incredibly good sense of smell.

Mauricio Duenas, AFP / Getty Images

Rats seem happy doing repetitive tasks.

Rats have terrible eyesight.

AFP / Getty Images

Rats have been known to make a laughter-like noise (unable to be heard by humans) when tickled.

Mauricio Duenas, AFP / Getty Images

Rat is the first animal on the Chinese Zodiac. The Chinese call it "The Year of the Rat".

Mark Ralston, AFP / Getty Images

Rats use their tail to control body temperature because they can not sweat.

Nati Harnik, AP

Rats are actually very clean animals.

Mauricio Duenas, AFP / Getty Images

Rats can swim and seem to enjoy it.

AP

Rats don't have thumbs.

Yoshikazu Tsuno, AFP / Getty Images

Rats have strong teeth that allow them to chew through glass, cinder block, wire, aluminum and lead.

Julie Larsen Maher, AP