< Page:American Journal of Psychology Volume 21.djvu
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INTELLIGENCE AND IMITATION IN BIRDS
19
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 | 4:30 | 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“ | 1:30 | Cowbird | She made very few efforts. |
| 21 | 2“-16 | 2:45 | Cowbird“ | When ready she walked up and pecked string. See Fig. 8. |
| 22 | 2“-16“ | 1:30 | Cowbird“ | |
| 30 | 2“-21 | 26: | Cowbird“ | |
| 31 | 2“-21“ | 4 | Sparrow | |
| 32 | 2“-22 | 26:30 | Sparrow“ | With beak as Cowbird did. |
| 33 | 2“-22“ | 9 | Cowbird | |
| 40 | 2“-26 | 1:40 | Cowbird“ | |
| 41 | 2“-27 | 11:20 | Sparrow | |
| 42 | 2“-27“ | 9:20 | Cowbird | Sparrow struck top of door as Cowbird had done. |
| 45 | 3-1 | 25:45 | Sparrow | He pulled string with bill. |
| 46 | 3“-1“ | 6:40 | 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 | 6:30 | Sparrow“ | He tried his own method many times. |
| 50 | 3“-3“ | 6:10 | Sparrow“ | He continued both. |
| 51 | 3“-3“ | 1:05 | Sparrow“ | He“ continued“ both.“ |
| 52 | 3“-4 | 23:45 | Cowbird | |
| 53 | 3“-4“ | 4 | Sparrow | Combination. Fig. 10. |
| 54 | 3“-4“ | 7:45 | Sparrow“ | From the floor as Cowbird. |
| 55 | 3“-5 | 17:45 | Sparrow“ | From“ the“ floor“ as“Cowbird.“ |
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