Nice haul Zenmonkey; Yeah, the dog probably thinks you're one of the most obstinate humans he has ever known. He's got his priorities, like chasing geese, and you have yours like picking up primaries. He is thinking if you just let off of this leash, I can get you fressh Priamaries, Plus a goose, for all of us!
He is only interested in them, when you get home, and he is bored, and then smells the feathers, and is reminded of the fun of jerking you all around, and then decides to taste them, but only after you have them all sorted, and neatly stacked.
To the dog, a neat pile of anything is like a wet paint sign, to humans, you just gotta touch it to see it it is dry, or wet......
Now all you have to do is find a nice clump of Japanese arrow bamboo, or a tonking patch.
Wayne