10 



1_ 



SPECIES (No.) 

 30 



50 



0-1 t 



5- 



10- 



15- 



20- 



26- 



PROFI LE LIN ES 

 I 1 1 r 



r 



-10 



20 uj 

 a 



-30 



-40 



— I 1 1 1 1 1 1 1 1 1 1 



1,000 5,000 10,000 15,000 



INDIVIDUALS (No.) 



Figure 6. Bird census data, October 1974 to February 1976. 



30 



