TABLE 2. Shrinkage analyses of male museum and live specimens of barn owls from the Pacific Northwest (Washington, Oregon, and Idaho). Non-parametric tests were chosen when data were not normally distributed.
| Male Morphometrics |
Museum |
Live |
Test Type |
Significance |
Test Value |
n(museum) |
n(live) |
| Tail Length |
122±4.2 |
128.21±4.39 |
T-test |
<0.001 |
t = 6.0 |
30 |
42 |
| Tarsus Length |
76.09±3.16 |
77.63±1.66 |
T-test |
0.009 |
t = 2.7 |
30 |
41 |
| Tarsus Width |
5.24±0.29 |
5.64±0.40 |
T-test |
<0.001 |
t = 4.6 |
30 |
41 |
| Hallux Talon Length |
19.1±0.93 |
19.58±0.75 |
T-test |
0.020 |
t = 2.4 |
30 |
42 |
| Culmen Length |
20.9±0.72 |
21.94±0.85 |
T-test |
<0.001 |
t = 5.4 |
30 |
41 |
| Feathered Tarsus Ratio |
0.94±0.05 |
0.98±0.06 |
Wilcox |
0.006 |
W = 799.0 |
29 |
41 |
| Wrist to Tip |
333.28±10.36 |
335.37±8.29 |
T-test |
0.353 |
t = 0.9 |
29 |
41 |
| P1 Length |
190.79±6.25 |
194.55±9.12 |
T-test |
0.060 |
t = 1.9 |
29 |
40 |
| P2 Length |
202.59±5.97 |
207.1±8.73 |
T-test |
0.019 |
t = 2.4 |
29 |
40 |
| P3 Length |
217.83±6.81 |
221.23±9.14 |
T-test |
0.096 |
t = 1.7 |
29 |
40 |
| P4 Length |
234.04±7.31 |
238.3±8.77 |
T-test |
0.039 |
t = 2.1 |
28 |
40 |
| P5 Length |
255.04±6.57 |
258.08±8.53 |
Wilcox |
0.119 |
W = 685.5 |
28 |
40 |
| P6 Length |
278.69±7 |
282.1±8.56 |
T-test |
0.083 |
t = 1.8 |
29 |
40 |
| P7 Length |
303.15±8.08 |
306.0 5±8.09 |
Wilcox |
0.082 |
W = 676.5 |
27 |
40 |
| P8 Length |
324.81±8.92 |
326.9±8.48 |
T-test |
0.337 |
t = 1.0 |
27 |
40 |
| P9 Length |
332.72±10.18 |
333.95±8.20 |
T-test |
0.582 |
t = 0.6 |
29 |
40 |
| P10 Length |
330.79±11.53 |
334.65±8.49 |
T-test |
0.114 |
t = 1.6 |
29 |
40 |