Rhesus
Japanese
COO
GRUFF
8
6
4
2
kHz
kHz
100
80
60
40
20
0
N = 7
N = 2
N = 11 N = 2
N = 4 N = 2 N = 8 N = 2
Japanese
Rhesus
100
80
60
40
20
0
A)
B)
Gruff
Coo
7
5
3
1
8
6
4
2
7
5
3
1
NR
CF
NR
CF
Mean Percent of Coos and Gruffs
Figure 4.3. Coo and gruff calls for Japanese and rhesus macaques. (A) Sonograms
of each call type for both species. (B) Usage by normally raised (NR) and crossfostered (CF) juveniles during the first two years of life. (From Owren et al. 1993.
Copyright © 1993 John Wiley & Sons, Inc. Reprinted with permission from WileyLiss, Inc., a subsidiary of John Wiley & Sons, Inc.)
167
Japanese
COO
GRUFF
8
6
4
2
kHz
kHz
100
80
60
40
20
0
N = 7
N = 2
N = 11 N = 2
N = 4 N = 2 N = 8 N = 2
Japanese
Rhesus
100
80
60
40
20
0
A)
B)
Gruff
Coo
7
5
3
1
8
6
4
2
7
5
3
1
NR
CF
NR
CF
Mean Percent of Coos and Gruffs
Figure 4.3. Coo and gruff calls for Japanese and rhesus macaques. (A) Sonograms
of each call type for both species. (B) Usage by normally raised (NR) and crossfostered (CF) juveniles during the first two years of life. (From Owren et al. 1993.
Copyright © 1993 John Wiley & Sons, Inc. Reprinted with permission from WileyLiss, Inc., a subsidiary of John Wiley & Sons, Inc.)
167