General nicknames:
* Reynard: This is the most common and classic nickname for a fox, originating from medieval folklore.
* Foxy: A simple, playful nickname for a fox.
* Brush: A nickname referring to the fox's bushy tail.
* Red: A nickname referring to the common red fox's color.
* Vixen: This term specifically refers to a female fox.
* Kit: This refers to a young fox.
Specific nicknames for different species:
* Gray fox: Sometimes called the "tree fox" or "ghost fox"
* Arctic fox: Also known as the "blue fox" or "white fox"
* Fennec fox: Nicknamed the "desert fox" or "sand fox"
* Kit fox: Called the "small fox" or "swift fox"
* Red fox: Sometimes referred to as the "common fox" or "European fox"
Other nicknames:
* Slyboots: This nickname reflects the fox's reputation for cunning and trickery.
* Trickster: Another nickname playing on the fox's reputation for being clever.
* Bushytail: A simple and descriptive nickname for the fox's tail.
Ultimately, the nickname you choose for a fox will depend on your personal preference and the context. You might choose a nickname based on the fox's appearance, behavior, or even the specific species.