306 



THE BIBDS OF AUSTRALIA 



a certain amount of differentiation, and four species are now 

 generally recognised, three Australian and the fourth confined 

 to Tasmania. 



They are generally found in damp forest country. They spend 

 the summer in the highlands, and descend in the winter to the 

 plains or lowlands. They feed on snails and insects, and are 

 without song. They build in low branches of trees, large nests 



Australian Museum. 



Ground Thrush : OreoeicTila lunulata. 



of moss lined with fibres, some seven inches in internal diameter. 

 The eggs, usually two in number, are light delicate green or 

 buffy white in ground colour, are freckled all over with reddish- 

 brown, and measure about 1.4 x .9 inch. 



Broadbent Ground-Thrush, 0. cuneata.—Heihevton, Queensland (5000ft.). 

 Outside tail feathers with wedge of white on the inner web; olive- 

 brown above. Wing 5.45 inches. 



