| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 451 |
 |
Billyslope Bog in Range Creek Canyon, Utah 090630 | 2009-06-30 | Sound | uu_wss |
| 452 |
 |
Biographical interview of Reed W. Brinton: Everett L. Cooley, interviewer | 1987-12-01 | Text; Sound | uum_elc |
| 453 |
|
Birds near Ellensburg, Washington 090515 | 2009-05-15 | Sound | uu_wss |
| 454 |
|
Black Bear 080917 | 2008-09-17 | Sound | uu_wss |
| 455 |
 |
Black Oystercatcher | Sound | uu_wss | |
| 456 |
 |
Black Oystercatcher 2 | 2003-11-18 | Sound | uu_wss |
| 457 |
 |
Black Phoebe | Sound | uu_wss | |
| 458 |
|
Black Pinesnake | Sound | uu_wss | |
| 459 |
|
Black Rail 1 | 1994-11-04 | Sound | uu_wss |
| 460 |
|
Black Rail 2 | 1999-07-12 | Sound | uu_wss |
| 461 |
|
Black Rail 3 | 1999-07-12 | Sound | uu_wss |
| 462 |
|
Black Rail 4 | 2007-04-28 | Sound | uu_wss |
| 463 |
|
Black Rail 5 | 2008-05-04 | Sound | uu_wss |
| 464 |
|
Black Rail 6 | 2008-05-04 | Sound | uu_wss |
| 465 |
|
Black Rosy-Finch | Sound | uu_wss | |
| 466 |
 |
Black Scoter | Sound | uu_wss | |
| 467 |
 |
Black Skimmer | Sound | uu_wss | |
| 468 |
|
Black Swift | Sound | uu_wss | |
| 469 |
 |
Black Tern | Sound | uu_wss | |
| 470 |
 |
Black Tern 2 | 2005-06-14 | Sound | uu_wss |
| 471 |
 |
Black Toad 1 | 1971-03 | Sound | uu_wss |
| 472 |
|
Black Toad 2 | Sound | uu_wss | |
| 473 |
|
Black Toad 3 | 1971-03 | Sound | uu_wss |
| 474 |
 |
Black Toad 4 | Sound | uu_wss | |
| 475 |
 |
Black Turnstone | Sound | uu_wss |