Phalacrocorax atriceps georgianus Lönnberg, Kungl. Sv. Vet. Akad. Handl., Band 40, No. 5, 18th. July 1906, p. 69.= Phalacrocorax atriceps georgianus Lönnberg, 1906
Holotype ? : Male ad., Grytviken, Cumberland Bay, South Georgia. 15. VIII. 1905. E. Sörling leg. No. 16620. - Measurements of type : wing : 288 mm.; tail : 135 mm.; culmen (from feathers between caruncles) : 54 mm.; tarsus : 60 mm.; outhermost toe and claw : 105 mm.Click on the picture for enlargement.