All About Birds↗ | Audubon↗ | eBird↗
"In the 1880's, these birds' wispy plumes were literally worth their weight in gold" according to the Wingspan card
Coyote Point, SF Bay Area R7 + 800mm F11, ISO 400, 1/1250(9MP crop, equiv 2485mm F38)
Alcatraz Island, San Francisco D5600 + 70-300mm F4.5-6.3 @ 300mm, ISO 160, 1/1000, F6.3(18MP crop, equiv 464mm F10)
Don Edwards National Wildlife Refuge R5 + 800mm F11, ISO 400, 1/2500(45MP, equiv 800mm F11)