Western gull Larus occidentalis



Region |-----------1959 - 1988 trends----------|
        Trend  N   (  95% CI  ) Sign.  Rel. Abu.
 BC      0.3    17   -1.1   1.7             0.25
 CAL     0.0    59   -3.0   2.9           409.61
 WAS    -1.7    21   -7.6   4.2             3.89
 SUR     0.0   110   -2.6   2.7           183.91