sentence: Some grebes find it difficult to walk on land because their feet are so big.
sentences_before: Most grebes are a medium or large size. Some grebes, such as the Little Grebe are smaller. All Grebes have large feet with lobed toes.
sentences_after: They are much better at swimming and diving in water.
concept_name: grebe
headings: Grebe Description, color and shape
categories: Podicipediformes