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"Kinglets' ruby-red crown feathers pop up when they are agitated" according to the Wingspan card
San Francisco D3400 + 70-300mm f/4.5-6.3 @ 300mm, ISO 1100, 1/1000, f/6.3
San Francisco D5600 + 70-300mm f/4.5-6.3 @ 300mm, ISO 1400, 1/320, f/6.3
San Francisco D3400 + @ 300mm, ISO 1000, 1/2000, f/6.3