It means "living in trees most of the time"
Arboreal
The term for a tree dwelling animal is 'arboreal'.
Brazil
The spelling of the tree-dwelling rodent is squirrel.
a tree-dwelling ape about three feet tall
A ground dwelling vine.
The sugar glider is considered to be arboreal(tree-dwelling) rather than terrestrial(ground-dwelling).
Orangutans are a type of tree-dwelling primate animal.
The bushy-tailed, tree-dwelling rodent is a squirrel.
Boomslang (or "tree snake") are mainly tree dwelling and are found mainly in southern Africa
Koalas are tree dwelling marsupial mammals, not fish.
By living in trees, tree kangaroos can stay safe from ground-dwelling predators.
The likely word is squirrel (a bushy-tailed tree-dwelling rodent).