~Crawl through holes the size of a quarter.
~Climb brick walls as if they had rungs.
~Tread water for three days.
~Gnaw through cinder blocks with teeth that exert 24,000 pounds per square inch.
~Survive being flushed down a toilet and then entering the buildings by that same route.
~Fall from a five-story building and then run away unscathed.
(Sources: Rat: Lapdog of the Devil (July, 1977), National Geographic; Whishaw & Kolb, The behavior of the laboratory rat, 2005, New York: Oxford University Press)
Video of Swimming Rat: http://www.arkive.org/brown-rat/rattus-norvegicus/video-10.html