By 2 CUCULIFORMES CHAP. 
rectrices are blue, the rest chiefly black, with yellow spots on the 
outer. The female lacks the red and yellow tints. Small flocks 
of these birds frequent high trees, creeping about them with the 
aid of their wings and tails, like Tree-creepers, and at midday 
dozing in fancied security on the lower branches. They feed 
upon seeds, and are stated by von Rosenberg to lay two eggs, 
no larger than those of the Long-tailed Tit, in holes in trees." 
Sub-fam. 3. Cacatuinae—Of the Cockatoos, which are re- 
stricted to the Australian Region, the Philippine and the Sulu 
Islands, Cacatua galerita of Australia and Tasmania, one of the forms 
with narrow recurved 
crest-feathers, 1s white, 
with the erectile tuft 
and ear-coverts yellow, 
the plumage being lax 
and powdery. (C. lead- 
beatert has a’ red crest 
banded with yellow and 
tipped with white, and 
a rosy tinge on the head 
and lower surface, Other 
species exhibit broad 
straight white, yellow, 
or red crests, C. vosei- 
capilla being decidedly 
pink below and grey 
above. In this group 
the bare orbits may be 
blue, red, grey, or white. 
These tame and active 
birds love open wooded 
country, and often form 
immense flocks ; they fly 
strongly, hop well, utter 
Fic. 75.—Leadbeater’s Cockatoo. Cacatua : 
leadbeatert. xi. loud shrill screams, doze 
in the heat, feed on 
roots grubbed up from the ground, seeds and grain, and play | 
havoe with crops of maize and the like. Two or three somewhat 
pointed eggs are deposited in holes in trees or crevices of rocks. 
1 Cf. Salvadori, Ornitologia Papuasia e Molucche, i. Torino, 1880, p. 125. 
