All About Birds↗ | Audubon↗ | eBird↗
"These omnivorous birds eat a lot of algae, but also seeds, fish, insects, and mollusks" according to the Wingspan card
San Francisco D3400 + 70-300mm F4.5-6.3 @ 300mm, ISO 3200, 1/1000, F6.3(24MP, equiv 450mm F9.5)
and a Pied-billed Grebe in Dallas, Texas R7 + 800mm F11, ISO 3200, 1/800(25MP crop, equiv 1363mm F19)
with beak visible below the water in San Francisco R7 + 70-200mm F2.8 @ 200mm, ISO 320, 1/1600, F2.8(9MP crop, equiv 560mm F8)
John Heinz National Wildlife Refuge, Philadelphia D3400 + 70-300mm F4.5-6.3 @ 300mm, ISO 500, 1/1000, F6.3(6MP crop, equiv 814mm F18)
San Francisco D3400 + 70-300mm F4.5-6.3 @ 300mm, ISO 900, 1/1000, F6.3(9MP crop, equiv 673mm F14)
San Francisco R7 + 70-200mm F2.8 @ 200mm, ISO 320, 1/1600, F2.8(10MP crop, equiv 544mm F8)