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Table 2 Morphometric parameters of barn owl's and pigeon's coverts

From: Morphometric characterisation of wing feathers of the barn owl Tyto alba pratincola and the pigeon Columba livia

barn owl   gpc10 gpc9 gpc5 gpc1 gsc5 gsc9
length of rachis [cm] 5.74; 6.27 8.55; 8.97 9.83; 10.30 8.47; 8.96 8.14; 9.10 7.65
area of outer vane [cm2] 1.80; 1.85 3.43; 3.41 7.64; 8.52 7.95; 8.22 11.28; 12.11 9.05; 9.20
area of inner vane [cm2] 3.09; 3.55 7.45; 8.71 12.47; 14.89 10.73; 11.34 12.62; 13.93 10.92; 12.42
AI (area)   -0.29 -0.41 -0.26 -0.15 -0.06 -0.12
lserr a/lfr b ov [mm] 1.46a +/- 0.16 1.91b +/- 0.51 1.53b +/- 0.54 3.46b +/- 0.33 7.18b +/- 2.9 5.89b +/- 2.58
lfr b inner vane [mm] 6.1b +/- 1.57 4.63b +/- 0.69 5.66b +/- 1.22 3.78b +/- 0.71 4.74b +/- 1.02 4.44b +/- 1.26
pigeon   gpc10 gpc9 gpc5 gpc1 gsc5 gsc10
length of rachis [cm] 4.32; 4.59 6.88 8.36 6.91 7.18; 7.75 6.24; 7.26
area of outer vane [cm2] 0.65; 0.65 1.53; 1.93 3.47; 3.72 5.36; 3.43 6.35; 6.84 5.63; 7.44
area of inner vane [cm2] 1.41; 1.19 3.84; 3.62 4.96; 5.70 6.12; 4.17 5.92; 6.65 5.04; 6.56
AI (area)   -0.33 -0.37 -0.19 -0.08 0.02 0.06
  1. a length of serration with standard error of the mean, N = 8
  2. b mean length of fringe with standard error of the mean, N = 8