Title | Date | Type | ||
---|---|---|---|---|
1 |
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Harris's Sparrow call | 2008-04-19 | Sound |
2 |
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Interview with Dr. Franz Goller on the subject of songbird learning | 2007-08-24 | Sound |
3 |
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National Park Service audio recording - Wind Cave National Park - White-crowned Sparrow | 1990 | Sound |