Table 7. — Birds seen per 30 linear miles (55.6 km.) of observation at various wind directions. — Con. 



Number of birds 



Red-tailed Tropicbird 



White-tailed Tropicbird 



Great Frigatebird 



Sooty Tern 



Brown Noddy 



White Tern 



Number of environmental observations 



N. 



NE. 



E. 



SE. 



SW. 



NW. 



86 



