Creested Grebe

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Grebes are both mainly freshwater but may visit the sea when migrating.
Grebes are small to medium size birds.
Most grebes are poor at flying. Some grebes are flightless.
Most grebes are awkward walkers on land. They are more used to swimming.
Some grebes respond to danger by diving rather than flying.
Grebes have very ornate courtship rituals.
Grebes have waterproof plumage. Grebes can adjust their bouyancy by adjusting their feathers, which aids diving.
Grebes can change color dramatically in the breeding season, with the males showing distinctive breeding plumages.
Grebes eat their own feathers and feed them to their young.
According to DNA testing grebes are closely related to flamingos.
Many grebes cover their eggs with refuse when they leave the nest.
Young grebes can swim from birth.
Herons are known to kill and eat younger grebes.