|
Head turn index and number of subjects
that did not turn their head (no) and that turned their head to the
right side (R) or to the left side (L) for conspecific and control
playback stimuli (non-biological sound; heterospecific evolutionarily
far related species; heterospecific evolutionarily closely related
species).
|
| |
|
|
Males
|
Females
|
|
| |
N
|
No.
|
R
|
L
|
Index
|
R
|
L
|
Index
|
|
Conspecific communication sounds
|
|
Whistle
|
31
|
8
|
10
|
2
|
0.67*
|
5
|
6
|
-0.09
|
Tsak
|
33
|
5
|
11
|
2
|
0.69*
|
7
|
8
|
-0.07
|
Trill
|
28
|
0
|
10
|
6
|
0.25
|
4
|
8
|
-0.33
|
|
Non-biological sounds
|
|
Noise
|
37
|
11
|
7
|
6
|
0.08
|
5
|
8
|
-0.23
|
12 kHz
|
30
|
10
|
6
|
3
|
0.33
|
6
|
5
|
0.09
|
|
Heterospecific evolutionarily far related species
|
|
Bat
|
31
|
9
|
8
|
4
|
0.33
|
6
|
4
|
0.20
|
|
Heterospecific evolutionarily closely related species (Microcebus lehilahytsara)
|
|
Whistle
|
28
|
6
|
7
|
4
|
0.27
|
6
|
5
|
0.09
|
Tsak
|
32
|
4
|
11
|
3
|
0.57
|
9
|
5
|
0.29
|
Trill
|
29
|
7
|
7
|
6
|
0.08
|
3
|
6
|
-0.33
|
|
Heterospecific evolutionarily closely related species (Microcebus ravelobensis)
|
|
Whistle
|
33
|
7
|
6
|
8
|
-0.14
|
7
|
5
|
0.17
|
Tsak
|
26
|
4
|
6
|
7
|
-0.08
|
6
|
3
|
0.33
|
Trill
|
27
|
3
|
5
|
6
|
-0.09
|
8
|
5
|
0.23
|
|
|
* p < 0.05
|
|
Scheumann and Zimmermann BMC Biology 2008 6:3 doi:10.1186/1741-7007-6-3
|