Результаты Results

Локомоторная активность Locomotor activity of test birds

Locomotor activity of birds from control group

Figure. Activity of garden warblers from control group during experiment. Four type of activity: jumps (black), flushes (blue), cage crawling (red) and head scanning (brown).

Locomotor activity of birds from experimental group

Figure. Activity of garden warblers from experimental group during experiment. Four type of activity: jumps (black), flushes (blue), cage crawling (red) and head scanning (brown).

Orientation of our test birds

Orientation of birds from control group

A

B

Figure. Orientation of garden warblers from control group in A) the first period (mean: 218°, 95% CI: 194° - 242°; Rayleigh test of uniformity: R = 0,568, P << 0,01, N = 27) and B) in the second period (mean: 256°, 95% CI: 224° - 288°; Rayleigh test of uniformity: R = 0,426, P = 0,003, N = 31). Dots: headings of single birds; arrow: mean vector. Inner and outer dashed circles: 1 % and 5 % significance border of the Rayleigh test. Radial lines: 95% confidence intervals (95% CI).

Orientation of birds from experimental group

A	B
Figure. Orientation of garden warblers from experimental group under clear sky in A) the first period (mean: 213°; Rayleigh test of uniformity: R = 0,225, P = 0,477, N = 15) and B) in the second period (mean: 358°; Rayleigh test of uniformity: R = 0,104, P = 0,903, N = 10). Dots: headings of single birds; arrow: mean vector. Inner dashed circle: 5 % significance border of the Rayleigh test.

A	B
Figure. Orientation of garden warblers from experimental group in overcast condition in A) the first period (mean: 163°; Rayleigh test of uniformity: R = 0,117, P = 0,818, N = 15) and B) in the second period (mean: 282°; Rayleigh test of uniformity: R = 0,598, P = 0,07, N = 7). Dots: headings of single birds; arrow: mean vector. Inner dashed circle: 5 % significance border of the Rayleigh test.

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