eligugn.

1676 F. Willughby & J. Ray Ornithologiæ iii. 244 Anas Artica [i.e. the Puffin]..Wallis..Meridionalibus circa Tenby oppidum Guldenhead, Bottle-nose & Helegug.

a1705 J. Ray Itineraries in Select Remains (1760) 245 This Name Elegug some attribute to the Puffin, and some to the Guillem.

1764 K. Macaulay Hist. St. Kilda viii. 153 I conclude that the St. Kilda Lavie, is either the Eligug or Rarorbil [sic] of the English and Welsh.

1837 T. Roscoe Wanderings & Excursions S. Wales xi. 159 The harsh and discordant notes of that singular bird the eligug.

1867 W. H. Smyth & E. Belcher Sailor's Word-bk. Eligugs..called also razor-bills.

1883 Harper's Mag. Feb. 350/1 Gulls, razor-bills, and puffins—the birds called locally [in Pembroke] ‘eligoogs’.

1907 E. H. Day in W. R. Shepherd Benedictines Caldey Island 52 Cormorants, gulls, eligugs, and guillemots, and other rarer species of our sea birds..delight to rear their broods in safety on the lofty cliffs.

1987 Verbatim Spring 8/2 Local English-speaking inhabitants refer to this bird as an eligug which no doubt derives from its Welsh name heligog, literally ‘sea-cuckoo’.