Leach s Storm Petrel 



Spring 



Summer 



Winter 



Sample size(23l) 



(9) " 



Bulwer's Petrel 



25 



Sooty Tern 



(1,073) 



Figure 30. — Percent of sea birds seen flying in various directions in different seasons. The outer 

 circle represents 20 percent of the total; the second circle 10 percent. If birds flying in one 

 direction exceeded 20 percent, the bar extends past the outer circle and the percentage is indi- 

 cated at the end of the bar. The sample size is given in parentheses under each figure. — Con. 



81 



