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wings are put, we will look at certain birds whose flight 

 can teach us something interesting. If a pheasant in 

 captivity becomes suddenly alarmed, or its spacious aviary 

 tempts it to rise from the ground, we hear a great whirr, — 

 broad, round-curved wings buzz in a half -circle of haze 

 around the bird and it is off like a shot to the farther 



Fig. 25S. — Young flreen Heron, reaching out with its wing toward a branch which 

 it hooked with the sprouting feathers, and steadied itself for a new foothold. 



end of the runway. It may go right through the sash 

 and pane of glass — such is the impetus gained in this mad 

 rush. Fortunate it is for these birds, and for their cousins, 

 tne grouse and quail, that they can thus spring up and 

 escape from foxes and other enemies to whom their scent 

 so often betrays them. If the pheasant were at liberty, 



