Rats Found With Tails Tied Together in Eastern Estonia

Rat king - Wikipedia

An (Almost) Comprehensive History of Rat Kings

Live Rat King found last year in Estonia (News article included) : r/natureismetal

Russian Conspiracy by Geworld about the “King Rat” is a Plot of a Novel

Of Rats and Men, TMNT Wiki

Rattenkönig - Rat King Physics based Indie Game

A University of Chicago study found that rats are just as capable of empathy as humans. : r/Awwducational

Rats Aren't Smarter Than Mice and That Actually Matters - The Atlantic

Rats

Rats: Unleash the Vermin Tide (Includes Revised Rats and the Dreaded Rat Queen!) : r/DnDHomebrew