Published January 28, 2026
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TABLE 4 b in Morphological assessment of the Common Barn Owl Tyto alba (Strigiformes: Tytonidae) supports three species
Authors/Creators
- 1. 55732 Ninepipe Rd, Charlo, MT 59824, USA
- 2. Global Owl Project, Buckeystown, MD, USA
- 3. Centro de Investigaciones en Ecología y Zonas Áridas Sabana Larga, Santa Ana de Coro, Estado Falcón, Venezuela
- 4. Instituto de Salud Agricola Integral, Calabozo estado Guárico, Venezuela
- 5. Universidade Estadual de Maringá, Maringá, Paraná, Brazil
- 6. Department of Biology, Walla Walla University, Walla Walla, WA, USA
- 7. Global Owl Project, Alexandria, VA, USA
Description
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 |
Notes
Published as part of Daugherty, Rachel L., Brown Iii, Andrew J., Salas, Vanessa G., Contreras, Francisco J., Chávez, Rayben, Mendes, Gabriela C., Nestler, James R. & Johnson, David H., 2026, Morphological assessment of the Common Barn Owl Tyto alba (Strigiformes: Tytonidae) supports three species, pp. 406 in Zootaxa 5752 (3) on page 406, DOI: 10.11646/zootaxa.5752.3.5, http://zenodo.org/record/19172123
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- Is part of
- Journal article: 10.11646/zootaxa.5752.3.5 (DOI)
- Journal article: urn:lsid:plazi.org:pub:FFD1FFB53012FFD8FF93FFD02D56CF43 (LSID)
- Journal article: http://zenodo.org/record/19172123 (URL)
- Journal article: http://publication.plazi.org/id/FFD1FFB53012FFD8FF93FFD02D56CF43 (URL)
- Journal article: http://zoobank.org/BB465B8A-2D7C-48EB-BFF9-3AECAD71CE55 (URL)