Training game
Pro Swimming Training (Duck Life 9: The Flock)
Guide the duck through an underwater course.
The activity
Guide the duck through an underwater course.
Controls
Move using the movement controls. In later Beginner parts, use the action button to dive. In Pro training, hold the action button to descend and release it to rise.
Unlocking and progress
Teaches swimming once the flock contains at least three ducks. Develop the selected duck’s skill through practice. The Training Centre’s upgrades determine which trainers and Pro games it can accommodate.
Skill trained
This game develops 
Swimming. See that page for the skill’s effects and level limits.