Clark's Grebes San Joaquin Marsh and Wildlife Sanctuary Irvine, California, USA July, 2019
(more grebes here)
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Clark's Grebes San Joaquin Marsh and Wildlife Sanctuary Irvine, California, USA July, 2019
(more grebes here)
Clark's Grebe Aechmophorus clarkii
5/7/2023 San Joaquin Marsh, California
Clark's Grebe Aechmophorus clarkii
8/14/2024 Los Angeles County, California
Tom Mills via iNaturalist, CC-BY-NC
Clark's grebes | courtship display © BBC Earth
Western Grebe and Clark's Grebe Aechmophorus occidentalis and A. clarkii
5/7/2023 San Joaquin Marsh, California
[2500/11080] Clark's grebe - Aechmophorus clarkii
Order: Podicipediformes (grebes) Family: Podicipedidae
Photo credit: Holly Hauser via Macaulay Library
BOTD: Clark's Grebe
Photo: Becky Matsubara
"Described to science in 1858, Clark's Grebe was soon dismissed as a mere variant of Western Grebe, and thereafter was ignored for over a century. Studies in the 1970s and 1980s showed that Western and Clark's, though extremely similar, are actually two distinct species. Minor differences in face pattern, bill color, and voice seem to be enough to prevent the two from interbreeding most of the time, even where they nest in mixed colonies. Apparent hybrids have been found, but they are a minority of the population. Although Clark's may be found with Western Grebes at all seasons, it tends to associate more with its own kind."
- Audubon Field Guide
A pair of Clark's grebes (Aechmophorus clarkii) feed fish to their chick in Santa Margarita Lake Regional Park, California, USA
by marlin harms