Head to head
Hooded Grebe vs Silvery Grebe
Hooded Grebe
VS Silvery Grebe
Both are diving waterbirds of southern South American lakes, but one is among the rarest grebes on Earth while the other remains common and adaptable.
| Hooded Grebe | Silvery Grebe | |
|---|---|---|
| Scientific name | Podiceps gallardoi | Podiceps occipitalis |
| Conservation status | Critically Endangered | Least Concern |
| Range | A handful of plateau lakes in Patagonian Argentina | Coastal to high-Andean lakes across southern South America |
| Population | A few hundred mature individuals | Widespread and stable |
| Nesting behaviour | Builds a floating nest, pairs widely spaced | Breeds in dense, sociable colonies |
| Courtship | Elaborate synchronized display unique among grebes | Typical grebe courtship behaviour |
| Main threats | Introduced mink and competing rainbow trout | No significant threats documented |
| Diet | Aquatic invertebrates and small fish | Small fish and aquatic invertebrates |
Hooded Grebe vs Silvery Grebe: common questions
Which grebe is more endangered?
The hooded grebe is far more threatened, classified as Critically Endangered with only a few hundred mature individuals remaining, compared to the silvery grebe's Least Concern status and widespread population.
Which grebe nests in larger groups?
The silvery grebe does, breeding in dense, sociable colonies unusual among grebes, while the hooded grebe nests as more widely spaced pairs across its limited plateau-lake habitat.
What is the biggest threat to the hooded grebe specifically?
Introduced American mink and competing rainbow trout have devastated its breeding colonies, a threat not significantly affecting the more widespread and adaptable silvery grebe.