There is a sort of meet and greet that takes place down at the creek every morning. The "locals" gather first, just before dawn. The females start quacking, as if they are calling out to the other ducks in the area. This quacking seems to act like a GPS guiding them to the creek. You can hear the ducks above, as they circle round and round, until they ascend onto the creek, in a controlled crash landing. These "visitor ducks" stay for a short time, and then go off to some unknown place, leaving behind "my ducks".
A farmer may wake to the crowing of a rooster, I wake to the morning chatter of my ducks.