Aleutian Tern

Here the details of the Aleutian Tern named bird below:

SCI Name:  Onychoprion aleuticus
Protonym:  Sterna aleutica Trans.ChicagoAcad.Sci. 1 p.321 pl.31 fig.1
Taxonomy:  Charadriiformes / Laridae / Onychoprion
Taxonomy Code:  aleter1
Type Locality:  Kodiak Island, Alaska.
Author:  Baird, SF
Publish Year:  1869
IUCN Status:  Vulnerable

DEFINITIONS

ONYCHOPRION
(Laridae; Ϯ Sooty Tern O. fuscatus) Gr. ονυξ onux, ονυχος onukhos  claw, nail; πριων priōn, πριονος prionos  saw; "β. Hirundines aquaticae.  Genus Onychoprion Wagl., Reicherschwalbe.  (Genus novum.)  Wesentliches äußeres Kennzeichen: unguis digiti medii latere interno ut in Ardeis et Caprimulgis serratus.  Hierher: Sterna serrata Forster.  Sieh Wagler, Natürl. Syst. der Amphib. p. 89." (Wagler 1832); "Onychoprion Wagler, Isis, 1832, col. 277—type, by monotypy, Sterna serrata Wagler (ex Forster MS.) = Sterna fuscata Linnaeus." (Hellmayr & Conover 1948, XIII, 302). 
Var. Onynochoprion. 
Synon. Dipsaleon, Haliplana, Melanosterna, Planetis, Thalassipora.

aleutica / aleuticus
Aleutian Is., Alaska, USA (Chukchi aliat  island).