Smithsonian Report, 1949.—Ernest P. Walker PLATE 7 
1. FLAMINGOES (PHOENICOPTERUS) 
The birds are shown feeding in shallow water, grooming, and resting. 
2. WHISTLING SWAN (CYGNUS COLUMBIANUS) 
“Tipping up” to obtain food from the bottom. In this position these birds can 
reach to a depth of about 45 inches. 
