29:00
2276
08:24
01:41
16:26
12:00
08:52
08:00
07:00
03:27
07:33
03:42
02:54
33:07
37:49
12:15
07:49
10:13
09:40
11:53
04:00
35:21
02:37
08:44
27:19
10:12
19:47
07:00
05:27
02:35
26:18
04:10 Unskilled chicks demonstrate their special skills with label “black”