F/10.0, 1/400, ISO 320.
Which runs faster, hot or cold?
Hot. Everyone can catch cold.
One California subspecies of the Red-winged Blackbird lacks the yellow borders to the red shoulders (epaulets) and has been dubbed the “bicolored blackbird.” Some scientists think this plumage difference may help Red-winged Blackbirds recognize each other where their range overlaps with the similar Tricolored Blackbird. ( https://www.allaboutbirds.org/guide/Red-winged_Blackbird/lifehistory )