Table 2.

Species characteristics.

variables	G. soricina (bat)	D. urbica (HM)	L. luscinia (TN)	E. rebecula (RO)
mass (kg)	0.011	0.017	0.030	0.017
span, b (m)	0.24	0.30	0.26	0.22
mean chord, c (m)	0.038	0.038	0.048	0.047
AR	6.4	7.8	5.5	4.8
U mp (m s−1)	6.5	6.7	8.6	7.6
Q D (N m−2)	2.33	2.42	5.55	4.16
Re range (103)	9–15	9–23	14–26	11–25
k range	0.081–0.14	0.035–0.10	0.079–0.14	0.080–0.16