It is closely related to the Douglas squirrel, but far less is known about its behavior, which was first studied in detail in 2004-2005.
근연종은 더글라스다람쥐청서이지만, 습성에 대해서는 거의 알려져 있지 않고 2004-2005년에 처음 상세한 연구가 있었다.