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  1. 10 Types of Big Rats in the World: Identify by Size

    Aug 9, 2025 · In this guide, we’ll explore 10 of the largest rat species in the world, highlighting their appearance, habitat, diet, and behavior. Each one has its own story, offering a glimpse …

  2. List of largest rodents - Wikipedia

    This is a list of the largest rodents. ^ Mones, Alvaro; Ojasti, Juhani (16 June 1986). "Hydrochoerus hydrochaeris Brisson 1762". Mammalian Species (264): 1–7. doi: 10.2307/3503784. JSTOR …

  3. The Largest Rats in the World, From Giant Cloud Rats to Bamboo Rats

    Aug 11, 2025 · The Gambian pouched rat, also known as the African pouched rat, is the largest rat in the world. These rodents typically weigh around 3 pounds, but some can grow to an …

  4. The Largest Rat Species – It Was Bigger Than Some Dogs

    Dec 15, 2025 · While not technically a rat, the capybara (Hydrochoerus hydrochaeris) deserves mention as the largest living rodent and a relative in the broader rodent family. Native to South …

  5. What Is the Biggest Rat Ever Found on Record?

    The capybara (Hydrochoerus hydrochaeris) is the largest living rodent in the world, averaging 1.2 to 1.5 meters (3.9 to 4.9 feet) in length and weighing between 35 to 66 kilograms (77 to 146 …

  6. Largest species of rat - Guinness World Records

    The world’s largest species of rat is presently the slender-tailed cloud rat Phloeomys cumingi of Luzon, an island in the Philippines. This tree-climbing, densely furred species inhabits Luzon’s …

  7. What Is the Largest Rat on Record? The 2025 Guide

    Oct 27, 2025 · Discover the largest rat on record, the cat-sized Bosavi woolly rat! We explore its size, habitat, and compare it to other giant rodents. The definitive answer is here.

  8. How Big Can a Rat Be? The Largest Rats in the World

    Nov 14, 2025 · The African giant pouched rat, Cricetomys gambianus, is one of the largest rodents to carry the name, though it belongs to a different genus outside of Rattus. This …

  9. Massive 'giant woolly RAT' triple the size of regular rodent found …

    May 21, 2025 · New Guinean Woolly rats are some of the largest murine rodents in the world – and are triple the size of the average rodent in the UK or US. Despite its total length of 85cm, …

  10. The Largest Rat Species – It Was Bigger Than Some Dogs

    Apr 8, 2025 · In 2009, scientists exploring the crater of an extinct volcano in Papua New Guinea made a remarkable discovery – the Bosavi woolly rat (Mallomys sp.), one of the largest rat …