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The world's largest rodent

The capybara (Hydrochoerus hydrochaeris) is the world's largest rodent and arguably one of the most magnificent creatures roaming our planet. Other than being related to the house mouse (Mus musculus), a popular model organism in cancer research, its existence is not directly relevant to the research carried out at The Institute of Cancer Research. The emphasis is on "directly". Here you can learn about its indirect contributions to the live-saving work we do at the ICR.

A group of capybaras.What makes the capybara so great? And how does it benefit cancer research? 

  • Capybaras are among the most relaxed mammals on earth. Beholding their tranquility (also aptly referred to as "capybarishness") enables stressed researchers to discover their own capybarishness and gain a sense of perspective and calm.
  • Frankly, they are just great.