Acorn woodpecker Melanerpes formicivorus

Region |-----------1959 - 1988 trends----------|                                
        Trend  N   (  95% CI  ) Sign.  Rel. Abu.                                
 ARI     3.3    21    1.5   5.2  ***        2.65                                
 CAL    -1.1   112   -2.6   0.4             7.71                                
 ORE    -0.9    16   -3.3   1.5             2.13                                
 SUR    -0.8   162   -2.2   0.6             3.47