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; they can hold their breath for up to three minutes. See how quickly a rat can go from the city streets to your bathroom. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Click here to read more: http://phenomena.nationalgeographic.com/2015/08/14/yes-rats-can-swim-up-your-toilet-and-it-gets-worse-than-that/ ASSOCIATE PRODUCER: Jed Winer NARRATOR: Daniel Stone See How Easily a Rat Can Wriggle Up Your Toilet | National Geographic https://youtu.be/0t2VPBF6Kp4 National Geographic https://www.youtube.com/natgeo