| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 1051 |  | Lightning Never Strikes Twice (Audio) | 2010-03 | Sound | ehsl_novel_fbw |
| 1052 |  | Ligia interview | Sound | ir_mdpa | |
| 1053 | | Little Gull flight calls | 2009-04-23 | Sound | uu_wss |
| 1054 | | Long-eared Myotis | 2003-09 | Sound | uu_wss |
| 1055 | | Long-eared Owl | Sound | uu_wss | |
| 1056 | | Long-legged Myotis distress calls | Sound | uu_wss | |
| 1057 | | Louis Hayne, Salt Lake City, UT: Uranium Oral Histories | 1970-08-04 | Sound | uum_avacr |
| 1058 | | Lousiana Waterthrush | Sound | uu_wss | |
| 1059 | | Lucifer Hummingbird | Sound | uu_wss | |
| 1060 | | Lucy's Warbler | Sound | uu_wss | |
| 1061 | | Lucy's Warbler 100409-01 | 2010-04-09 | Sound | uu_wss |
| 1062 | | Lymphing Along | 2010-03 | Sound | ehsl_novel_fbw |
| 1063 | | Lynn Lee, Blanding, UT: Uranium Oral Histories | 1970-08-10 | Sound | uum_avacr |
| 1064 | | Lytle Ranch 100409-05 | 2010-04-09 | Sound | uu_wss |
| 1065 | | Lytle Ranch 100409-BAC1 | 2010-04-09 | Sound | uu_wss |
| 1066 | | Lytle Ranch 100409-BAC2 | 2010-04-09 | Sound | uu_wss |
| 1067 | | Lytle Ranch 100409-BAC3 | 2010-04-09 | Sound | uu_wss |
| 1068 | | Lytle Ranch 100409-BAC4 | 2010-04-09 | Sound | uu_wss |
| 1069 | | Lytle Ranch 100409-BAC5 | 2010-04-09 | Sound | uu_wss |
| 1070 | | Lytle Ranch 100410-02 | 2010-04-10 | Sound | uu_wss |
| 1071 | | Lytle Ranch 100410-03 | 2010-04-10 | Sound | uu_wss |
| 1072 | | Lytle Ranch 100410-04 | 2010-04-10 | Sound | uu_wss |
| 1073 | | Lytle Ranch Bewick's Wren 100410-01 | 2010-04-10 | Sound | uu_wss |
| 1074 | | Lytle Ranch near pond 100409-05 | 2010-04-09 | Sound | uu_wss |
| 1075 |  | M 1. Macular Update (1) | 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979 | Sound | ehsl_novel_jls |