Harlequin duck Histrionicus histrionicus

Region |-----------1959 - 1988 trends----------|                                
        Trend  N   (  95% CI  ) Sign.  Rel. Abu.                                
 BC     -0.9    30   -4.5   2.7             6.03                                
 CAL     1.7    19   -0.5   3.8             0.06                                
 ME      2.1    14   -1.1   5.3             0.30                                
 ONT     0.3    15   -0.6   1.2             0.02                                
 WAS     6.0    18    0.5  11.5   **        2.68                                
 SUR    -0.8   199   -4.1   2.4             1.11