| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 926 |
 | Lincoln's Sparrow (Idaho) song 7 | 2009-07-17 | Sound | uu_wss |
| 927 |
| Lincoln's Sparrow (Idaho) song 8 | 2009-07-17 | Sound | uu_wss |
| 928 |
| Lincoln's Sparrow (Idaho) song 9 | 2009-07-17 | Sound | uu_wss |
| 929 |
| Lincolns Sparrow 2 | 2002-08-01 | Sound | uu_wss |
| 930 |
 | Little Blue Heron | 2004-06-12 | Sound | uu_wss |
| 931 |
 | Little Gull flight calls | 2009-04-23 | Sound | uu_wss |
| 932 |
 | Loggerhead Shrike | Sound | uu_wss | |
| 933 |
 | Long-billed Curlew | Sound | uu_wss | |
| 934 |
 | Long-billed Curlew 100604-0630 | 2010-06-04 | Sound | uu_wss |
| 935 |
 | Long-billed Dowitcher | Sound | uu_wss | |
| 936 |
 | Long-billed Dowitcher 2 | 2003-04-21 | Sound | uu_wss |
| 937 |
 | Long-billed Thrasher | Sound | uu_wss | |
| 938 |
| Long-eared Owl | Sound | uu_wss | |
| 939 |
 | Long-tailed Duck | Sound | uu_wss | |
| 940 |
 | Long-tailed Jaeger | Sound | uu_wss | |
| 941 |
| Lousiana Waterthrush | Sound | uu_wss | |
| 942 |
| Lucifer Hummingbird | Sound | uu_wss | |
| 943 |
| Lucy's Warbler | Sound | uu_wss | |
| 944 |
| Lucy's Warbler 100409-01 | 2010-04-09 | Sound | uu_wss |
| 945 |
| Lytle Ranch 100409-BAC1 | 2010-04-09 | Sound | uu_wss |
| 946 |
| Lytle Ranch 100409-BAC2 | 2010-04-09 | Sound | uu_wss |
| 947 |
| Lytle Ranch 100409-BAC3 | 2010-04-09 | Sound | uu_wss |
| 948 |
| Lytle Ranch 100409-BAC4 | 2010-04-09 | Sound | uu_wss |
| 949 |
| Lytle Ranch 100409-BAC5 | 2010-04-09 | Sound | uu_wss |
| 950 |
| Lytle Ranch 100410-03 | 2010-04-10 | Sound | uu_wss |