In many older sources, the name "panda" or "common panda" refers to the lesserknown red panda, thus necessitating the inclusion of "giant" and "lesser/red" prefixes in front of the names Even in 13, the Encyclopædia Britannica still used "giant panda" or "panda bear" for the bear, and simply "panda" for the red panda, despite the popular usage of the word "panda" to refer to