Do all species of squirrels chase each other?
All squirrels chase each other, but some are less territorial than others. For example, gray squirrels are less territorial than many other species, but they will still chase another squirrel if necessary. Alternatively, red squirrels are known to be very territorial and won’t hesitate to chase any other squirrel away.
No matter how territorial, all squirrel species do whatever it takes to survive.