Table 24. Comparisons of observer estimates of adults 

 versus nest counts at nine Maine gull colonies, 

 31 May 1977. 



Adult estimate 



Colony 



Nest count 



1 



2 

 3 

 4 



5 

 6 

 7 

 8 

 9 



140 

 169 

 275 

 367 

 423 

 585 

 980 

 2,600 

 2,760 



47 



