| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 476 |
 |
Chihuahuan Raven | Sound | uu_wss | |
| 477 |
 |
Chimney Swift 1 | Sound | uu_wss | |
| 478 |
|
Chimney Swift 2 | 2002-05-24 | Sound | uu_wss |
| 479 |
 |
Chipping Sparrow | Sound | uu_wss | |
| 480 |
 |
Chipping Sparrow 100520-03 | 2010-05-20 | Sound | uu_wss |
| 481 |
 |
Chipping Sparrow song (Idaho) | 2009-07-17 | Sound | uu_wss |
| 482 |
 |
Chukar | Sound | uu_wss | |
| 483 |
 |
Chukar 2 | 2008-09-16 | Sound | uu_wss |
| 484 |
 |
Cinnamon Teal | Sound | uu_wss | |
| 485 |
 |
Cinnamon Teal (090327-972) | 2009-03-28 | Sound | uu_wss |
| 486 |
|
Cinnamon Teal flee | Sound | uu_wss | |
| 487 |
 |
Clapper Rail | Sound | uu_wss | |
| 488 |
 |
Clark's Grebe | Sound | uu_wss | |
| 489 |
 |
Clark's Nutcracker | Sound | uu_wss | |
| 490 |
 |
Clark's Nutcracker agitated calls (100714) | 2010-07-14 | Sound | uu_wss |
| 491 |
|
Clay-colored Sparrow 1 | 2007-06-14 | Sound | uu_wss |
| 492 |
|
Clay-colored Sparrow 2 | 2002-05-25 | Sound | uu_wss |
| 493 |
 |
Cliff Swallow flight | Sound | uu_wss | |
| 494 |
|
Cliff Swallow nest | Sound | uu_wss | |
| 495 |
|
Colima Warbler | Sound | uu_wss | |
| 496 |
|
Common Black-Hawk | Sound | uu_wss | |
| 497 |
 |
Common Goldeneye | Sound | uu_wss | |
| 498 |
 |
Common Grackle | Sound | uu_wss | |
| 499 |
 |
Common Ground-Dove | Sound | uu_wss | |
| 500 |
 |
Common Loon call | Sound | uu_wss |