TABLE 4b. Males. Measured data comparing the morphometrics of three Barn Owl species units: Tyto alba, T. furcata, and T. javanica. Note the total sample size of each group changes depending on the morphometric because not every owl had complete morphometric measurements. Significant results are highlighted in grey. Adjusted p-values used Holm correction.
| MEASURED METRICS |
Male |
| T. alba (ntotal =164) |
T. javanica (ntotal =103) |
T. furcata (ntotal =311) |
Significance (Kruskal-Wallis) |
Dunn Test (p-adj) |
| Tail Length (mm) |
Median |
107 |
108 |
121 |
P-value |
χ2 |
alba - furcata |
8.47E-40 |
| IQR |
5 |
7 |
12 |
1.38E-49 |
225.01 |
alba - javanica |
4.88E-01 |
|
n=158 |
n=100 |
n=303 |
furcata - javanica |
1.17E-25 |
| Tarsus Length (mm) |
Median |
64.7 |
68.0 |
76.2 |
4.34E-49 |
222.72 |
alba - furcata |
2.64E-45 |
| IQR |
4.8 |
4.0 |
7.5 |
alba - javanica |
2.01E-03 |
|
n=163 |
n=99 |
n=309 |
furcata - javanica |
3.88E-17 |
| Minimum Tarsus Width (mm) |
Median |
4.4 |
5.3 |
5.2 |
6.15E-49 |
222.02 |
alba - furcata |
1.27E-41 |
| IQR |
0.4 |
0.6 |
0.6 |
alba - javanica |
2.56E-33 |
|
n=162 |
n=100 |
n=310 |
furcata - javanica |
5.72E-02 |
| Hallux Talon Length (mm) |
Median |
16.3 |
17.4 |
19.1 |
6.29E-51 |
231.19 |
alba - furcata |
1.38E-50 |
| IQR |
1.3 |
1.9 |
1.8 |
alba - javanica |
1.38E-50 |
|
n=159 |
n=101 |
n=307 |
furcata - javanica |
1.06E-10 |
| Feathered Tarsus Ratio |
Median |
0.90 |
0.80 |
0.90 |
1.38E-08 |
36.195 |
alba - furcata |
1.61E-04 |
| IQR |
0.10 |
0.10 |
0.20 |
alba - javanica |
1.11E-08 |
|
n=159 |
n=94 |
n=299 |
furcata - javanica |
1.31E-03 |
| Culmen Length (mm) |
Median |
18.9 |
21.2 |
21.3 |
5.99E-50 |
226.68 |
alba - furcata |
2.22E-44 |
| IQR |
1.3 |
1.2 |
1.9 |
alba - javanica |
2.22E-31 |
|
n=162 |
n=101 |
n=304 |
furcata - javanica |
3.05E-01 |
| Wrist to Tip Length (mm) |
Median |
287 |
276 |
327 |
2.24E-65 |
297.72 |
alba - furcata |
1.86E-42 |
| IQR |
12 |
16 |
21 |
alba - javanica |
2.02E-02 |
|
n=157 |
n=93 |
n=303 |
furcata - javanica |
1.20E-43 |