56 



NORTH AMERICAN FAUNA 69 



Figure 23. — A Swainson's Warbler incubating during flood stage in Ocmul- 

 gee River floodplain forest near Macon, Ga., May 1946. Water is 3 feet 

 deep. 



In Bayou Boeuf Swamp in central Louisiana, one nest in a scrub 

 palmetto thicket was placed in a blackberry vine in such a way 

 that it was directly beneath the broad frond of a scrub palmetto. 

 The nest was completely shielded from above as if it had a roof 

 over it 4 inches from the rim. 



In a canebrake the nest is rarely located in the densest part of 

 the stand, but is usually nearer the edge v^here the stand is thin- 

 ner and the cane poles are smaller. In a mature mountain cove 



