We adopted 3 adult ducks, approx 3 years old. We have a large pond, and I need to figure out how I will get them back in by calling. Their previous home had a very small man made pond in the back yard. They would corral them toward the pen and they would go right in. They had been constantly fed at their previous home, so I was thinking I would do an AM and PM feed, and let them out before the PM feed. First introducing to the yard and a kiddie pool, then the pond in about a week. Who knows how it will go, they may try to go right in. They seem pretty anxious to get out even with a nightly small bath in the pen. What kind of calls work for you? Any ideas welcome.