Gray and kit fox, desert cottontail, kangaroo rat, Gambel's quail, mourning dove, thrashers, horned lizards, desert tortoises are representative of this desert region.
(desert tortoises; are; representative of this desert region) (desert tortoises; are representative of; this desert region)
desert tortoises desert tortoises
are are representative of
representative of this desert region
this desert region