| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 201 |
 |
Bohemian Waxwing | Sound | uu_wss | |
| 202 |
 |
Bonaparte's Gull | Sound | uu_wss | |
| 203 |
 |
Bonaparte's gulls in western Washington (100127) | 2010-01-27 | Sound | uu_wss |
| 204 |
 |
Boreal Chorus Frog (090521-036) | 2009-05-21 | Sound | uu_wss |
| 205 |
|
Boreal Chorus Frog (090521-037) | 2009-05-21 | Sound | uu_wss |
| 206 |
|
Boreal Chorus Frog (090521-038) | 2009-05-21 | Sound | uu_wss |
| 207 |
 |
Boreal Chorus Frog and birds | 2005-04-17 | Sound | uu_wss |
| 208 |
|
Boreal chorus frogs 1 | 2005-04-25 | Sound | uu_wss |
| 209 |
|
Boreal chorus frogs 2 | 2005-04-25 | Sound | uu_wss |
| 210 |
 |
Boreal chorus frogs and northern leopard frogs (100515) | 2010-05-14 | Sound | uu_wss |
| 211 |
|
Boreal chorus frogs and northern leopard frogs (100515) excerpt | 2010-05-15 | Sound | uu_wss |
| 212 |
|
Boreal chorus frogs in cold weather | 2008-05-01 | Sound | uu_wss |
| 213 |
|
Boreal chorus frogs in distance (100514) | 2010-05-14 | Sound | uu_wss |
| 214 |
 |
Boreal Owl 1 | 2007-04-13 | Sound | uu_wss |
| 215 |
|
Boreal Owl 2 | 2007-04-13 | Sound | uu_wss |
| 216 |
|
Boreal Owl 3 | 2007-10-05 | Sound | uu_wss |
| 217 |
|
Boreal Owl 4 | 2007-04-27 | Sound | uu_wss |
| 218 |
|
Boreal Owl 5 | 2007-04-27 | Sound | uu_wss |
| 219 |
|
Boreal Owl 6 | 2009-03-20 | Sound | uu_wss |
| 220 |
|
Boreal Owl in Washington state | Sound | uu_wss | |
| 221 |
 |
Brant 1 | Sound | uu_wss | |
| 222 |
|
Brant 2 | Sound | uu_wss | |
| 223 |
 |
Brant 3 | 2003-03-26 | Sound | uu_wss |
| 224 |
 |
Brewer's Blackbird | Sound | uu_wss | |
| 225 |
 |
Brewer's Sparrow | Sound | uu_wss |