Page:American Journal of Psychology Volume 21.djvu/29

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INTELLIGENCE AND IMITATION IN BIRDS
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Table III

Results obtained by continuing the tests with the male English Sparrow and female Cowbird which were in the preceding series.

Trial Date Time Bird opening Door Efforts by Bird opening Door. Other behavior.
1 2-3 30: Failed  
2 2-4 58: Male Sparrow Many efforts. Out from top, turned and near strings.
3 2-6 31: Male Sparrow 58 of many kinds.
4 2-7 60: Failed Sparrow much more active.
5 2-7 20:45 Female Cowbird  
6 2-7 19:45 Female Cowbird Sparrow many attempts.
7 2-7 55:55 Sparrow He worked all the time. Very wild.
8 2-8 49:30 Sparrow Many movements like those of female Sparrow. Has known what to do almost from the first.
14 2-12 04:30 Sparrow So wild that did not eat inside box.
15 2-13 20:20 Cowbird Sparrow made 36 efforts.
16 2-13 44:45 Cowbird 2Sparrow made 77 efforts. He was not well.
19 2-15 45 Failed  
20 2-15 01:30 Cowbird She made very few efforts.
21 2-16 02:45 Cowbird When ready she walked up and pecked string. See Fig. 8.
22 2-16 01:30 Cowbird  
30 2-21 26: Cowbird  
31 2-21 04 Sparrow  
32 2-22 26:30 Sparrow With beak as Cowbird did.
33 2-22 09 Cowbird  
40 2-26 01:40 Cowbird  
41 2-27 11:20 Sparrow  
42 2-27 09:20 Cowbird Sparrow struck top of door as Cowbird had done.
45 3-1 25:45 Sparrow He pulled string with bill.
46 3-1 06:40 Sparrow He pulled string with bill.
47 3-2 12:40 Cowbird  
48 3-2 18:45 Sparrow He pulled string with bill. Fig. 9.
49 3-3 06:30 Sparrow He tried his own method many times.
50 3-3 06:10 Sparrow He continued both.
51 3-3 01:05 Sparrow He continued both.
52 3-4 23:45 Cowbird  
53 3-4 04 Sparrow Combination. Fig. 10.
54 3-4 07:45 Sparrow From the floor as Cowbird.
55 3-5 17:45 Sparrow From the floor asCowbird.