a rat's ribs are hinged at the spine, enabling it to easily squeeze through the tightest spaces - like the pipes draining your toilet. and rats are great swimmers too, as they can hold their breath for up to three minutes.
See How Easily A Rat Can Wriggle Up Your Toilet
From Burger on 10/9/2015 3:00pm Tagged in: Animals/Nature, Science/Technology, Shocking
View Full Link: http://www.youtube.com/watch?v=0t2VPBF6Kp4