sinjabu fu'ivla

x1 is a squirrel of genus/species x2

Any member of Sciuridae, including some that live on or under the ground. See also ricyratcu, marmota, ronte.

In notes:

rusysinjabu
x1 is a grey squirrel of (sub)species/breed x2.
xunysinjabu
x1 is a red squirrel of (sub)species/breed x2.