You may not be willing to get a dog, but how about a
two-dimensional coyote decoy? They get good reviews.
They also offer a
3-D Predator Coyote Decoy too!
Coyote Decoy
This
Foxy Decoy has realistic movement in the breeze and it's tail moves too!
A
dead goose decoy or a goose decoy laying on it's side as if dead will supposedly have geese looking for a safer location to feed or nest.
Good luck! Please let us know which method you go with and if it works.