The released title is the taxonomic name for the common brown rat. Fox, mink and brown rat are also present on the reserve. The brown rat is long and weighs . Yoshi takes on characteristics of a brown rat and the turtles take on human characteristics. Common examples include the common pigeon, brown rat and the raccoon. It has since been exterminated by the more aggressive brown rat. Introduced species (e.g., the house mouse and brown rat) are not included. Mistle thrush, Song thrush, Blackbird, and House sparrow, Common shrew, Wood mouse, and Brown rat. By 2014, the city's rat population was dominated by the brown rat. The brown rat was first observed on the Faroe Islands in 1768. The brown rat and house mouse are both used as medical subjects. Esmeralda is Quasimodo's pet brown rat who can sniff out any humans. The brown rat is kept as a pet in many parts of the world. The brown rat is the species common in England, and best known throughout the world. With rare exceptions, the brown rat lives wherever humans live, particularly in urban areas.