Table 2.

Means and standard deviations of measurements of Mute Swans of known sex from winter swan catches at the Wildfowl and Wetlands Trust, Caerlaverock.

sub-sample	n	mean mass (kg)	mean wing span (m)	mean air speed (m s−1)	ratio air speed : Vmp
sexes combined	16	8.94 ± 1.26	2.30 ± 0.111	17.5 ± 1.21	0.969 ± 0.0672
adult males	8	10.05 ± 0.69	2.40 ± 0.044	17.5 ± 1.21	0.953 ± 0.0661
adult females	8	7.83 ± 0.47	2.21 ± 0.046	17.5 ± 1.21	0.992 ± 0.0688