| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 326 |
 |
Blue-winged Warbler 1 | 2006-06-03 | Sound | uu_wss |
| 327 |
 |
Bobolink | Sound | uu_wss | |
| 328 |
 |
Bohemian Waxwing | Sound | uu_wss | |
| 329 |
 |
Bonaparte's Gull | Sound | uu_wss | |
| 330 |
|
Boreal Chickadee 1 | 2006-06-13 | Sound | uu_wss |
| 331 |
 |
Brewer's Blackbird | Sound | uu_wss | |
| 332 |
 |
Bristle-thighed Curlew | Sound | uu_wss | |
| 333 |
 |
Broad-tailed Hummingbird 1 | Sound | uu_wss | |
| 334 |
|
Broad-tailed Hummingbird 2 | Sound | uu_wss | |
| 335 |
|
Broad-tailed Hummingbird feather trills | Sound | uu_wss | |
| 336 |
 |
Brown Thrasher | Sound | uu_wss | |
| 337 |
 |
Buff-bellied Hummingbird | Sound | uu_wss | |
| 338 |
 |
Bufflehead | Sound | uu_wss | |
| 339 |
|
Cackling Goose | Sound | uu_wss | |
| 340 |
 |
Cactus Wren | Sound | uu_wss | |
| 341 |
 |
California Gull | Sound | uu_wss | |
| 342 |
 |
California Thrasher | Sound | uu_wss | |
| 343 |
 |
California Towhee | Sound | uu_wss | |
| 344 |
 |
Calliope Hummingbird | Sound | uu_wss | |
| 345 |
 |
Canadian Toad | Sound | uu_wss | |
| 346 |
 |
Canyon Towhee | Sound | uu_wss | |
| 347 |
 |
Canyon Treefrog | 2005 | Sound | uu_wss |
| 348 |
 |
Cape May Warbler | 1999-07-14 | Sound | uu_wss |
| 349 |
|
Caribou 981204 | 1998-12-04 | Sound | uu_wss |
| 350 |
 |
Carolina Wren 2 | Sound | uu_wss |