Chihuahuan raven Corvus cryptoleucus

                                   
                                                                                
                                                                                
Area|--------1966-1994 trends--------| |--1966-1979---||--1980-1994---|         
     Trend  P    N  (  95% CI  )  R.A.  Trend   P    N  Trend   P    N          
NM    -0.5       28  -5.8   4.7   6.21   12.0        11   0.6        26         
TEX   -3.6       33 -10.7   3.6   2.75  -13.4  ***   23  -2.3        22         
S55   -1.9       14  -6.1   2.2  10.88   10.0         9  -6.2    *   11         
S56    2.6       22  -4.1   9.2   5.58    0.9        11   3.7        17         
CE    -3.5       41  -9.9   2.9   3.48  -12.7  ***   27  -3.7        31         
WE    -1.3       36  -7.2   4.5   3.42    5.0        16   1.2        29         
RE2   -2.4       70  -6.5   1.8   3.98  -11.1  ***   40  -1.0        55         
US    -2.5       77  -6.8   1.8   3.45  -10.9  ***   43  -1.0        60         
SUR   -2.8       77  -6.9   1.3   3.45  -10.9  ***   43  -0.9        60         

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