Rufous ( //) is a color that may be described as reddish- brown or brownish- red, as of rust or oxidised iron.  The first recorded use of rufous as a color name in English was in 1782.  However, the color is also recorded earlier in 1527 as a diagnostic urine color. 
The word " rufous" is derived from the Latin rufus, meaning "red", and is used as an adjective in the names of many animals—especially birds—to describe the color of their skin, fur, or plumage.[ citation needed]
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- "Color Me Rufous". 10,000 Birds. 19 January 2007. Retrieved 21 June 2018.
- Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 203; Color Sample of Rufous: Page 45 Plate 10 Color Sample A10
- Anon., Here begineth the seinge of urynes. London, 1527; British Museum.