The Palos Verdes Peninsula, 36.7 km east of Santa Catalina Island, in Los Angeles Co., California, is in many ways a land-locked Channel Island. The flora on the peninsula includes many Channel Island endemics. Some avian species absent on the Channel Islands are also absent on Palos Verdes (Bradley, Western Birds, in press). Bradley (loc. cit.) also noted that the breeding Orange-crowned Warbler (Vermivora celata) on the peninsula is referable to the Channel Island subspecies sordida. We document herein the subspecific and breeding status of the Allen’s Hummingbird (Selasphorus sasin) on the peninsula as an additional contribution to the knowledge of the avifauna of this most interesting region.