Order PELECANIFORMES. 
No. 131. 
Family PH A LA CROC OR A CIDAS . 
HYPOLEUCUS HUTTONI * 
STEWART ISLAND SHAG. 
(Plate 97.)* 
Phalacrocorax huttoni Buller, Birds New Zealand, Vol. II., p. 174, Nov., 1888 : Dunedan, 
South Island ; id., ib., Suppl., Yol. II., p. 30, 1905 ; Oliver, New Zealand Birds, p. 190, 
1930: Falla, Rec. Auck. Inst. Mus., Vol. I., No. 3, p. 147, Sept. 23rd, 1932. 
Phalacrocorax stewarti Ogilvie-Grant, Cat. Birds Brit. Mus., Vol. NXVI., p. 385, pi. V.A., 1898 
(pref. Sept. 30th): The Bluff, Southland, New Zealand; id., Ibis, 1905, p. 570., Oct. 
Hypoleucus campbelli stewarti Mathews and Iredale, Ibis, 1913, July, p. 413 ; Mathews, Syst. Av. 
Austral., p. 227, June 13th, 1927. 
Distribution. Stewart Island, south of South Island, New Zealand. 
Adult female. Fore-head, ear-coverts, top of the head, including the long crest, black, highly 
glossed with bottle-green ; back of the neck glossed with purplish-blue ; mantle glossy 
bottle-green, with brighter fringes to the feathers ; lower back, rump and thighs purplish - 
blue, with a large patch of white on the former ; primaries and secondaries blackish-brown, 
slightly glossed on the outer web with green ; wing-coverts black, glossed with dull metallic- 
green ; a well-marked white alar bar ; tail black, the shafts of the feathers ivory-white at 
the base, becoming black towards the tip ; lores, space round the eye, face and side of 
the lower mandible entirely bare ; feathers of the chin (prolonged into a narrow line) and 
entire under-parts pure white ; bill pale brown ; culmen darker ; eyes brown ; eyelid 
light blue ; naked skin on lores and sides of face very dark blue ; a row of small sea-warts 
between the culmen and the eye, orange ; naked skin at base of lower mandible and gular 
pouch arterial-red ; feet pinkish. Total length about 650 mm. : culmen 54, wing 287, tail 
120, tarsus 62. Stewart Island. 
The sexes are alike. 
Nest. Constructed of tussock grass, sea wrack and guano ; a squat, compact pillar with the 
top concave. Each year the nests are added to, till sometimes they are eighteen inches 
above the surface of the rock. Diameter, 18 to 24 inches. 
Eggs. Clutch three to five. Pale blue-green, covered with a film of chalk. 65 to 67 mm. by 38 to 42. 
Breeding-season. September to November, but eggs or young are found most months of the year. 
* The plate is lettered stewarti. 
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