Black-backed woodpecker Picoides arcticus

                                   
                                                                                
                                                                                
Area|--------1966-1994 trends--------| |--1966-1979---||--1980-1994---|         
     Trend  P    N  (  95% CI  )  R.A.  Trend   P    N  Trend   P    N          
S28    8.0 ***   23   5.8  10.2   0.06   50.9  ***    4 -11.3  ***   19         
S29   -8.8       14 -27.3   9.8   0.12  -13.1    *    5 -13.5    *   10         
EA    -0.8       38 -12.1  10.6   0.10   -1.4        10 -12.1  ***   30         
WE     7.3       15  -1.9  16.4   0.06    1.9         4  19.9    *   13         
US     8.9  **   23   0.3  17.5   0.09    2.0         5  21.2    *   21         
CAN   -1.8       30 -14.2  10.5   0.08   -1.0         9 -13.9  ***   22         
SUR    0.8       53  -7.8   9.4   0.08   -1.0        14  -8.1   **   43         

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