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Table 1 Experimental measures during adolescence and in adulthood

From: Effects of the social environment during adolescence on the development of social behaviour, hormones and morphology in male zebra finches (Taeniopygia guttata)

   Age at observation: 61 days Age at observation: 81 days Age at observation: 105 days  
a) Behaviour/min Directed from focal male to: all per Directed from focal male to: all per Directed from focal male to: all per
   juv ♀ juv ♂ ad ♀ ad ♂ partners partner juv ♀ juv ♂ ad ♀ ad ♂ partners partner juv ♀ juv ♂ ad ♀ ad ♂ partners partner
Juvenile pairs Social exploration 0.050     0.050 0.050 0.010     0.010 0.010 0.015     0.015 0.015
Preening 0.035     0.035 0.035 0.010     0.010 0.010 0.035     0.035 0.035
Pecking 0.010     0.010 0.010 0.025     0.025 0.025 0.045     0.045 0.045
Beak fighting 0.005     0.005 0.005 0.000     0.000 0.000 0.010     0.010 0.010
Chasing 0.000     0.000 0.000 0.000     0.000 0.000 0.000     0.000 0.000
Juvenile groups Social exploration 0.042 0.022    0.064 0.013 0.039 0.019    0.058 0.012 0.042 0.028    0.070 0.014
Preening 0.044 0.025    0.069 0.014 0.042 0.008    0.050 0.010 0.022 0.008    0.030 0.006
Pecking 0.014 0.019    0.033 0.007 0.031 0.025    0.056 0.011 0.047 0.011    0.058 0.012
Beak fighting 0.003 0.003    0.006 0.001 0.006 0.003    0.009 0.002 0.031 0.003    0.034 0.007
Chasing 0.000 0.000    0.000 0.000 0.000 0.000    0.000 0.000 0.000 0.000    0.000 0.000
Mixed-age groups Social exploration 0.040 0.020 0.037 0.013 0.110 0.012 0.020 0.010 0.000 0.013 0.043 0.005 0.010 0.007 0.013 0.003 0.033 0.004
Preening 0.027 0.037 0.007 0.007 0.078 0.009 0.063 0.007 0.003 0.000 0.073 0.008 0.010 0.010 0.000 0.000 0.020 0.002
Pecking 0.013 0.007 0.013 0.000 0.033 0.004 0.017 0.010 0.010 0.010 0.047 0.005 0.037 0.007 0.017 0.007 0.068 0.008
Beak fighting 0.007 0.003 0.000 0.010 0.020 0.002 0.000 0.003 0.003 0.000 0.006 0.001 0.000 0.000 0.000 0.000 0.000 0.000
Chasing 0.000 0.000 0.003 0.003 0.006 0.001 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.023 0.000 0.023 0.003
b) Behaviour/min Directed to focal male from: all per Directed to focal male from: all per Directed to focal male from: all per
   juv ♀ juv ♂ ad ♀ ad ♂ partners partner juv ♀ juv ♂ ad ♀ ad ♂ partners partner juv ♀ juv ♂ ad ♀ ad ♂ partners partner
Juvenile pairs Social exploration 0.085     0.085 0.085 0.025     0.025 0.025 0.020     0.020 0.020
Preening 0.02     0.02 0.02 0.005     0.005 0.005 0.040     0.040 0.040
Pecking 0.01     0.01 0.01 0.020     0.020 0.020 0.055     0.055 0.055
Beak fighting 0.005     0.005 0.005 0.010     0.010 0.010 0.015     0.015 0.015
Chasing 0.000     0.000 0.000 0.000     0.000 0.000 0.000     0.000 0.000
Juvenile groups Social exploration 0.019 0.047    0.066 0.013 0.061 0.014    0.074 0.015 0.039 0.042    0.081 0.016
Preening 0.039 0.011    0.050 0.010 0.047 0.047    0.094 0.019 0.044 0.008    0.052 0.010
Pecking 0.017 0.008    0.025 0.005 0.033 0.039    0.072 0.014 0.036 0.014    0.050 0.010
Beak fighting 0.014 0.006    0.020 0.004 0.000 0.000    0.000 0.000 0.011 0.000    0.011 0.002
Chasing 0.000 0.000    0.000 0.000 0.003 0.000    0.003 0.001 0.000 --0.000    0.000 0.000
Mixed-age groups Social exploration 0.050 0.047 0.013 0.003 0.113 0.013 0.060 0.020 0.003 0.000 0.083 0.009 0.037 0.010 0.003 0.000 0.050 0.006
Preening 0.020 0.047 0.007 0.000 0.074 0.008 0.023 0.030 0.000 0.000 0.053 0.006 0.007 0.010 0.003 0.000 0.020 0.002
Pecking 0.000 0.017 0.040 0.013 0.070 0.008 0.030 0.023 0.043 0.013 0.109 0.012 0.027 0.020 0.027 0.003 0.077 0.009
Beak fighting 0.003 0.003 0.000 0.007 0.013 0.001 0.000 0.000 0.003 0.000 0.003 0.001 0.007 0.007 0.003 0.000 0.017 0.002
Chasing 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
  1. Given are the mean age of subjects and the number of subjects tested at each measure. For details see materials and methods. Frequencies of different behaviours towards different interaction partners recorded at each observation during adolescence. Behaviours recorded a) initiated and b) received by focal males were social exploration, preening, pecking, beak fighting and chasing. Interaction partners: juv. ♀: juvenile female; juv. ♂: juvenile male;ad. ♀: adult female; ad. ♂: adult male