Lyssna
NRM 569851
Pterodroma cooki masafuerae
Lönnberg, 1920
Pterodroma cooki masafuerae Lönnberg, Nat. Hist. of Juan Fernandez and Easter Island, vol. III, Upsala 1920, p. 14.
= Pterodroma longirostris Stejneger, 1893
Holotype ? : Male ad., Masafuera, Juan Fernandez Islands. 1. III. 1917. K. Bäckström leg. No. 337. - Measurements of type : wing : 212 mm.; tail : 104 mm.; culmen : 25 mm.; tarsus : 27 mm.
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Foto © NRM Magnus Jäderblad