The loggerhead shrike ( Lanius ludovicianus ), a songbird that hunts like a small raptor, maintains breeding populations on seven of the eight California Channel Islands. One of the two subspecies, L. l. anthonyi , was described as having breeding populations on six of the islands while a second subspecies, L. l. mearnsi , was described as being endemic to San Clemente Island. Previous genetic studies have demonstrated that th...