So THAT'S why the bath has been so full of dirt lately.
0:00 American goldfinch
0:10 Darkeyed junco, American robin
0:38 Whitethroated sparrow
1:07 American goldfinch
1:22 Darkeyed junco
1:47 House finch
2:01 American robin
2:14 American goldfinch
2:26 Northern cardinal
2:39 Darkeyed junco
3:09 Chipping sparrow, American goldfinch
3:28 American goldfinch