Yellow-head. blackbird Xanthocephalus xanthocephalus

Region |-----------1959 - 1988 trends----------|                                
        Trend  N   (  95% CI  ) Sign.  Rel. Abu.                                
 ARI   -10.3    28  -18.5  -2.0   **       55.42                                
 CAL    -6.3    46  -14.6   2.0             8.53                                
 COL     0.2    15   -0.7   1.1             0.04                                
 FLA     0.5    25   -0.7   1.7             0.05                                
 TEX   -13.4    32  -59.2  32.5            13.49                                
 SUR    -8.3   313  -16.6   0.1    *        4.94