130 ANSERIFORMES CHAP. 
and Indian Regions, has white upper and under tail-coverts ; 
D. javanica, of the latter area only, has them chestnut above and 
fulvous white below ; D. arcuata, ranging from the Malay Archi- 
pelago to Fiji, has the breast chestnut barred with black; D. 
eytoni, of Australia, which has strayed to New Zealand, has it 
yellowish-brown. These birds fly slowly and heavily, and perch 
regularly on trees, where they sway awkwardly about upon the 
branches; the note is a clear whistle or a chattering sound; the 
food consists mainly of fish and water-plants, sought at all times 
of day. In winter the flocks cause great damage to corn or rice 
near the lagoons and other waters they frequent. The nest, 
placed in hollow trees, stumps, long grass, or deserted habitations 
of other birds, contains from six to twelve white eggs. 
Sub-fam. 6. Chenonettinae—Chenonetia jubata of Australia 
has a brown head, long black feathers on the hind-neck, greyish 
upper parts with black tail, rump, and edges to the scapulars, a 
green speculum with white borders, a breast mottled with black, 
grey, and whitish, and a black abdomen. The female is paler, with 
dull speculum and white belly. It lays its creamy-white eggs in the 
bush districts in hollow trees, perching even on the tallest of thei, 
and uttering a barking note. Cyanochen cyanoptera, of Abyssinia 
and Shoa, is grey-brown in both sexes, with black wings relieved by 
lead-blue coverts, and green speculum tipped with white. Chloé- 
phaga hybrida, the Kelp Goose of Patagonia and the Falklands, 
which lives and breeds on the beach, is white, having a black bill 
with basal yellow spot, and yellow feet. The female is brownish- 
black with white rump, tail, and anal region, and black lower parts 
barred with white; the neck shews narrow white bands on its 
sides, the black and white wing has the greater coverts green, and 
the bill is flesh-coloured. C. melanoptera, of Western America 
from Peru southwards, is distinguished by brown and white scapu- 
lars, black primaries and tail, green and purple wing-coverts, red 
bill and feet ; the female being similar. C. magellanica, the Upland. 
Goose, coextensive in range with C. hybrida, is white, barred 
with black above; the rump, four median rectrices, and wings 
being grey-black, with green and white on the wing-coverts, and 
white secondaries; the bill and feet are dusky. The female is 
gutous and black, with similar wings but yellow feet. C. inornata, 
of Chili, Argentina, and Patagonia, differs in having black pectoral 
bands and a grey head in the female. C. poliocephala, of the same 
