Several species of cottontail Rabbits are listed as near threatened, threatened, vulnerable, endangered and critically endangered. The San José brush rabbit is found only on San José Island within the Gulf of California. The one population occupies an space of about 20 square kilometers (7.7 sq. miles). Fewer individuals were observed in 2008 compared to studies in 1995 and 1996, though portions were recorded. Wild rabbits create their own houses by tunneling into the bottom.