Gray squirrel or grey squirrel may refer to several species of squirrel indigenous to North America:
*The
eastern gray squirrel
The eastern gray squirrel (''Sciurus carolinensis''), also known, particularly outside of North America, as simply the grey squirrel, is a tree squirrel in the genus ''Sciurus''. It is native to eastern North America, where it is the most prodi ...
(''Sciurus carolinensis''), from the eastern United States and southeastern Canada; introduced into the United Kingdom, Ireland, western North America, Italy, and South Africa
*The
western gray squirrel
The western gray squirrel (''Sciurus griseus'') is a tree squirrel found along the western coast of the United States and Mexico. In some places, this species has also been known as the silver-gray squirrel, the California gray squirrel, the Or ...
(''Sciurus griseus''), from the western United States
*The
Arizona gray squirrel
The Arizona gray squirrel (''Sciurus arizonensis'') is a tree squirrel, in the genus ''Sciurus'', endemic to the canyons and valleys surrounded by deciduous and mixed forests in eastern Arizona and northern Mexico.
It is threatened by habi ...
(''Sciurus arizonensis''), from the southwestern United States and adjacent Mexico
*The
Mexican gray squirrel
The Mexican gray squirrel (or red-bellied squirrel) (''Sciurus aureogaster'') is a tree squirrel in the genus ''Sciurus'' native to Guatemala and eastern and southern Mexico. It has been introduced to the Florida Keys.
The alternate name shou ...
(''Sciurus aureogaster''), from southern Mexico and Guatemala; introduced into the Florida Keys
{{Animal common name
Sciurus