Table 1 Axial headings of landing in 14 species of birds

Alopochen aegyptiacus

189

175°/355°

28°

0.631

< 0.01

Anas penelope

91

7°/187°

16°

0.858

< 0.01

Anas platyrhynchos

2431

9°/189°

30°

0.575

< 0.01

Anser anser

16

6°/186°

29°

0.605

0.50 > p > 0.10

Aythya ferina

155

8°/188°

31°

0.558

< 0.01

Cygnus olor

15

3°/183°

28°

0.616

< 0.01

Dendrocygna viduata

30

4°/184°

28°

0.625

< 0.01

Larus canus

107

6°/186°

14°

0.885

< 0.01

Larus ridibundus

119

19°/199°

44°

0.301

< 0.01

Mergellus albellus

33

3°/183°

22°

0.735

< 0.01

Mergus merganser

22

5°/185°

17°

0.846

< 0.01

Nettapus auritus

14

176°/356°

23°

0.723

< 0.01

Vanellus armatus

31

177°/357°

29°

0.608

< 0.01

Vanellus coronatus

85

179°/359°

27°

0.643

< 0.01