138 



INSECTIVOROUS BIRDS 



seven or eight species. The White-throated member is 

 thoroughly arboreal in its habits, preferring the heavily- 

 timbered creeks. Accordingly it is mostly found in the 

 southern and eastern portions of the colony, while C. 



Fig. 32. White-throated Tree-creeper. One-fourth natural size. 



scandens has its stronghold in the north-west. In the 

 search for food this genus displays a manner not adopted 

 by any other in our country. Commencing near the 

 bottom of a large trunk, it ascends in a spiral course by a 



