Least Flycatcher – Tyrannidae – Empidonax minimus – Wild Acres Park, St. Louis County, MO.
I happened to notice that I had a few in the queue that featured the color yellow. In most of them the yellow is featured on the bird, but in the one above the yellow is of a flowering plant, perhaps yellow rocket (Barbarea vulgaris), in the foreground and background.
Kentucky Warbler – Parulidae – Oporornis formosus, Greer Spring Recreation Area, Oregon County, MO.
Prothonotary Warbler – Parulidae – Protonotaria citrea – Little Creve Coeur Lake Marsh, St. Louis County, MO.
Magnolia Warbler – Parulidae – Dendroica magnolia – Wild Acres Park, St. Louis County, MO.