Black-tail gnatcatcher Polioptila melanura

Region |-----------1959 - 1988 trends----------|                                
        Trend  N   (  95% CI  ) Sign.  Rel. Abu.                                
 ARI     2.9    32   -2.1   7.9             4.28                                
 CAL     5.9    30    4.1   7.7  ***        0.49                                
 TEX    -1.7    19   -8.9   5.5             1.74                                
 SUR     2.3    89   -2.0   6.6             1.36