I've never once seen a bird on any of my daylilies, so I would bet that it's a hybrid from your own daylilies. It's quite possible that the pollen came from daylilies elsewhere, since bugs and bees travel around collecting pollen, but I'd think that one of those two plants was the pod parent that produced the seed, especially since it came up in the middle of them. I'm guessing it was probably Stella, since when mine bloom, they almost always have bee pods on them, and I've heard that the other is super hard to get seeds to set, or maybe it is impossible because it's not fertile. I can't remember now!
I'm no expert though! It's certainly possible that it was dropped by a bird, but I think that it's unlikely that it happened that way.
Do you have other daylilies in another part of your yard? I know from seeing the many seedling pictures on here that the seedlings don't always look like their parents, but it would be fun to compare them and see if it can be figured out as to a possibility of who the actual parents are!
Either way, you've got a real beauty there! I sure hope one of my planned seedlings looks half as good!
