We started our flock out with two little wild Mallard hens from a private breeder, Miss Piggy and Porky who are now 22 weeks old. Both are very capable of flying over our other more heavier Rouen Pekin mixed ducks.
Long story short, I didn't want to clip their wings and I was worried at first they both might fly off while out free ranging with the others. We have a 4' fenced yard to where they can all get out twice a day with supervision to free range.
It was ok at first when both Mallards would take flight and fly around inside the fenced yard. Porky has just now started flying over the fence and landing outside of it and will pace back and forth along the fence trying to get back in with the others. She hasn't figured it out yet that she needs to fly back over the fence rather then trying to go through the fence.
Both little Mallards DO NOT like to be held and will start quacking non stop like an annoying car alarm that won't shut off until you put them back down on the ground. Then will rush over to the pool to rinse off like they have just been contaminated and need to clean up. LOL
I found this fishing net for when that happens again, large enough hoop with a handle that will extend and a soft like netting material with small enough holes not to hurt the duck.
https://www.ahttps://www.amazon.com/Frabill-Folding-Landing-20-Inch-Premium/dp/B0030S7E6C?th=1mazon.com/Frabill-Folding-Landing-20-Inch-Premium/dp/B0030S7E6C?th=1