434 



CLIMBING BIRDS. 



the Wrynecks, the Cuckoos, the Parrots, and the 

 Toucans, 



FIG. 362. FOOT OF PARROT AND OF WOODPECKER. 



Having 

 the beak 



Straight 



And angular ; tongue j 

 very extensible and [ 

 armed with spines 

 at the tip . . . j 



And rounded ; tongue ) 



very extensible, but [WRYNECKS. 

 I without spines . J 



j Moderate in size and 





slightly arched 



CUCKOOS. 



( Arched 



Large, rounded on all ) 



sides, and having ' PARROTS 

 the upper mandible j 

 strongly hooked . J 



Almost as long as the WoiJCANS 



