A wren, maybe 

Killdeer? 

Kind of a lousy shot, but at least you can see the ruby throat 

Hummingbird again 

Another shot of the hummingbird 

Hummingbird 

Red-bellied woodpecker again... 

Female red-bellied woodpecker 

Mourning dove sunning itself 

House sparrows and grackle and the feeder 

Juvenile common grackle 

I'm fairly certain this is a juvenile brown-headed cowbird 

House sparrow and tufted titmouse 

Female red-bellied woodpecker, looking right at me.