I'm not a scat expert by any means, and I didn't do a taste test :-). But I thought it might be from a Mustelid of some sort. Maybe a coyote, but no hair/fur visible.
Opinions welcome!
A large pupa of some sort, but this is what iNat came up with.
Not a sparrow, it's bigger than that. Rondeau Provincial Park
I saw the red tail when it flew away