The Senses 



21 I 



all owls can see very well, even in sunshine, although of 

 course their eyes are especially adapted for use in the dim 

 light of the evening and of the stars. In Nova Scotia I have 

 noticed Barred Owls flying about and feeding at noonday. 



FIG. 152. Duck Hawk. (Courtesy of N. Y. Zoological Society.) 

 Compare the alert expression with the sloth in Fig. 151. 



Birds have well-developed lachrymal glands, although 

 it is seldom that they actually shed tears. Still I have 

 seen a flamingo in a flying-cage weeping copiously from 

 terror, anticipating all sorts of torture from a harmless 



