It can be difficult to id birds from photos. Often much of what is diagnostic is behaviour, calls, songs so that's all worth studying in the field if you have time. I've been at it for decades and still get it wrong! Great hobby, can't beat it (unless it's wet and cold 😄).
I would say Meadow. Thinner bill and pale eye ring isn't present on Tree Pipit. Can't see on this photo but Meadow has bolder streaks extending down the flanks, Tree has finer streaks confined to upper breast. Best way to tell is call or song.....but tricky from a photo 😀
You can break it to her gently...."You know that bird in the garden, your favourite? Well, it turns out it's not a Turtle Dove. Oh yeah, it's also dead".