sentences:  It is one of the smallest designated wilderness areas in the U.S., but features the largest colony of breeding tufted puffins and the largest common murre colony south of Alaska.It is the only northern Oregon pupping site for the threatened Steller sea lion.The refuge was established by President Theodore Roosevelt after being persuaded by two young conservationists—William L. Finley and Herman Bohlman—who studied and photographed Three Arch Rocks from Oceanside beginning in 1901.