Key Identification Features
- In winter, this species can be easily identified by its size, buff plumage, darker back and cap, and characteristic "powder puff" rear end.
- In summer, adult great crested grebes can be easily identified by their distinctive head and neck decorations.
- californicus usually has a longer bill, and has brown-grey inner primaries during the breeding season.
- It is easily confused with Clark's grebe, which shares similar features, body size, behavior, and habitat, and hybrids between the two species are known.
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