PASSERINE BIRDS. 



429 



These birds feed on grain and seeds, more especially flax-seed ; they, 

 likewise eat beech-nuts and hazel-nuts, the latter of which they fix 

 firmly in some crevice, and then pierce them by repeated blows of 

 their sharp beak. 



Fig. 356. — nuthatch. 

 The Creepers (Ceri7i/a) have their beak compressed and slender, 

 more or less bent like a bow, and triangular : tlieir tail is slanting, 



TRKE CKEEPKR. 



