How are grebe toes different from the webbed feet of ducks?

Grebes and ducks differ significantly in their foot structure, which reflects their distinct evolutionary adaptations for aquatic life.

• Grebe Toes: Grebes are characterized by lobed toes rather than webbed feet. These lobes are individual flaps of skin on each toe that expand to provide propulsion during the power stroke and fold back to reduce water resistance during the recovery stroke.12
• Duck Feet: In contrast, most ducks (members of the family Anatidae) possess webbed feet, where the webbing is fully developed between the front three digits. This webbing creates a continuous surface area that acts like a paddle for swimming.34

While both groups are proficient swimmers and divers, the lobed toes of the grebe are a specialized adaptation that allows them to navigate effectively in water despite lacking the full webbing found in ducks.2