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[img]http://vignette4.wikia.nocookie.net/typemoon/images/7/77/Fuyuki_church.png[/img]
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We'll not use the animated version for this, but feel free to circle, exactly, where your bird is "keeping its distance" to the point that it can adequately conceal itself. As a side note, hiding is bushes is, despite what your animes may have taught you, actually fairly hard to do without being conspicuous. Please remember that it has to be able to both see and hear the entire order of events clearly with the senses of an average human. Then please answer my other questions.

Additionally, I take it you haven't ever seen a crow, or tarnished silver for that matter? Tarnished silver looks absolutely nothing like a crow's coloring, not to mention it catches the light differently.