60 



TOTIPALMATE SWIMMERS, 



The single egg is placed in a cavity of 

 rocky cliffs on ocean islands. It is purplish 



Fig. 39. 



Wilson Petrel. 



brown spotted with darker brown. The 

 downy young are at first wholly w^hite then 

 dark feathers appear on the back. 



Fig. 40. 



Bill of White Pelican. 



The flight is steady and direct with rapid 

 wino;-beats, but the birds can turn in air 

 and circle with ease. The}- procure their prey 

 by diving like terns. Their cries are loud 

 and harsh. Gregarious when breeding, but 

 solitary at other times. Tropical and sub- 

 tropical in distribution. The sexes are sim- 

 lar. 



