Feet and Legs 371 
Parrots use their feet for more different purposes than 
do any other birds: they are the monkeys of the feathered 
Fig. 291.—Cockatoo perching with one foot and holding food with the other. 
world. They climb wires or branches one step after the 
other, their beaks taking the place of a third foot in this 
style of locomotion. They pick up food, such as a banana 
