70 BIRDS 



acteristic of restless flitting about shows itself. A wood- 

 pecker would go over a tree with painstaking, systematic 

 care, while the black and white warbler, no less intent 

 upon securing its food, hurries off from tree to tree, wher- 

 ever the most promising menu is offered. 



CUnging to the mottled bark of the tree trunk, like a 

 nuthatch, it would be difficult to find him were it not for 

 these sudden ffittings and the feeble song; Weachy, 

 weachy, weachy, 'twee, 'twee, 'tweet, he half lisps, half sings. 



