Singing Rusty Blackbird

Despite two days of searching in the woods near my office, no migrant warblers appear to be here yet, despite numerous warbler sightings all over the county and surrounding areas. But this morning I did find two Rusty Blackbirds in a flock of Red-winged Blackbirds--including a singing male. These birds should all be north of here by now, so it was a treat to see one, and hear it sing.