1. Little ducks are swimming in the river.
2. The duckling flapped its wings and swam in the river.
3. The duckling swims freely in the pond.
4. The duckling paddled around the pond.
5. The cute duckling is swimming in the river.
6. The cute duckling swims happily in the pond.
7. A group of ducklings are swimming in the lake.
8. Ripples suddenly appeared on the calm water surface. It turned out that a duck was swimming with paddle like feet.
9. The duckling swims in the water with his mother.
10. The duckling and his mother waddled in the water.
11. A little black duck is swimming in the water.
12. A little white duck and his friend are swimming in the water.
13. The cute duckling swims happily in the water.
14. Mother duck and her little duck swim in the water.
15. Mother duck and a group of ducklings are playing and swimming in the water.