CLASSIFICATION BY ORDERS 87 
Ciconiformes. 
Sub-order Ardae 
HERONS 
25 in. Blue Heron (Demigretta matook). Slate blue colour- 
ing; more common in North Island. | 
26 in. White-fronted Heron (Notophyx novaehollandiae). 
Slightly larger than Blue Heron, colouring more blue grey, 
underparts tinged pink, white throat, forehead and over eye. 
- Crown dark grey. 
30 in. Bittern (Botaurus poiciloptilus). Stalks in water 
knee deep, neck stretched skyward. Booming note. Absence 
of contour feathers along back of neck. 
40 in. White Heron (Casmerodius albus). Pure white 
colouring. Very local, said to be seen near Okarito only. 
Sub-order Steganopodes 
SHAGS 
26 in. Rough-faced Shag (Phalacrocorazx carunculatus). 
Absence of crest, chocolate on face and white dorsal patch. 
27.5 in. Spotted Shag (Stictocarbo punctatus). Grey 
black colouring with upper parts spotted black, sides of face 
blue. 
27.5 in. White-throated Shag (Microcarbo brevirostris). 
‘Black colouring with white over cheek, throat and neck. In 
air resembles flying cross. 
28 in. Pink-footed or Bronze Shag (Hypoleucus chalco- 
notus). Black with bronze reflections. Flesh coloured feet. 
28 in. Stewart Island Shag (Hypoleucus Campbelli v 
stewartt). Black and white with pink feet 
33.5 in. Pied Shag (Hypoleucus varius). Large size, ex- 
panse of white in adult on underpart very conspicuous. Less 
common in south. 
34.5 in. Black Shag (Phalacrocorax carbo). Shining 
greenish black, round spot of white on thighs. Largest Shag. 
35 in. Gannet (Sula or Sulita serrator). Dazzling white 
plumage contrasted with black tips to wings. Plunges into 
sea with closed wings and great splash. 
