Linked from
The 9 pages that link to Squirrel, each with the reason it gives.
RodentBroader topic: Squirrels are a familiar rodent group with varied body forms and lifestyles.
Prairie dogNarrower topic: Prairie dogs are ground squirrels within the broader squirrel group.
Ground squirrelNarrower topic: Ground squirrels are one major branch of the squirrel family.
Tree squirrelNarrower topic: Tree squirrels are one branch of this broader family.
Carya tomentosaRelated: Squirrels open, eat, and cache mockernut hickory nuts.
SciurusNarrower topic: This broader common-name group includes Sciurus and its relatives.
TreeshrewCompared with: Treeshrews can look squirrel-like, but they are not rodents.