Western gull Larus occidentalis

                                   
                                                                                
                                                                                
Area|--------1966-1994 trends--------| |--1966-1979---||--1980-1994---|         
     Trend  P    N  (  95% CI  )  R.A.  Trend   P    N  Trend   P    N          
CAL    1.4       14  -1.2   4.0   4.58   -3.2        10   2.9        12         
S93   -0.6       15  -4.6   3.4   4.89  -11.4        11  -0.5        15         
WE    -0.9       21  -4.3   2.5   4.12  -13.5    *   15  -0.1        19         
RE1   -1.0       21  -4.6   2.6   4.12  -12.6        15  -0.3        19         
US    -0.9       21  -4.4   2.7   4.12  -13.5    *   15    --        19         
SUR   -0.9       21  -4.5   2.7   4.12  -12.8        15  -0.2        19         

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