| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 451 |
 |
Canvasback (090328-995) | 2009-03-28 | Sound | uu_wss |
| 452 |
 |
Canvasback 100317-13 | 2010-03-17 | Sound | uu_wss |
| 453 |
|
Canvasback wings 101102 | 2010-11-02 | Sound | uu_wss |
| 454 |
 |
Canyon Towhee | Sound | uu_wss | |
| 455 |
 |
Canyon Wren | Sound | uu_wss | |
| 456 |
 |
Cape May Warbler | 1999-07-14 | Sound | uu_wss |
| 457 |
 |
Capitol Building P.101 | 1912; 1913; 1914; 1915; 1916 | Image/StillImage | dha_cp |
| 458 |
 |
Card from Jamie B. to Ricky Begaye | 2023-07-10 | Image; Text | dha_pour |
| 459 |
 |
Carolina Chickadee | Sound | uu_wss | |
| 460 |
 |
Carolina Wren 1 | Sound | uu_wss | |
| 461 |
|
Carolina Wren 2 | Sound | uu_wss | |
| 462 |
 |
Caspian Tern 2 | Sound | uu_wss | |
| 463 |
 |
Cassin's Finch | Sound | uu_wss | |
| 464 |
 |
Cassin's Kingbird | Sound | uu_wss | |
| 465 |
 |
Cassin's Sparrow | Sound | uu_wss | |
| 466 |
 |
Cassin's Vireo | Sound | uu_wss | |
| 467 |
 |
Cattle Egret | Sound | uu_wss | |
| 468 |
 |
Cave Swallow | Sound | uu_wss | |
| 469 |
 |
Cedar Waxwing | Sound | uu_wss | |
| 470 |
 |
Cedar Waxwing 2 | 2004-06-03 | Sound | uu_wss |
| 471 |
|
Cedar waxwings (100314) | 2010-03-14 | Sound | uu_wss |
| 472 |
|
Centennial Marsh in Idaho spring 2005 | Sound | uu_wss | |
| 473 |
 |
Chestnut-backed Chickadee | Sound | uu_wss | |
| 474 |
|
Chestnut-collared Longspur | Sound | uu_wss | |
| 475 |
 |
Chestnut-sided Warbler | Sound | uu_wss |