I'm sorry. I thought you knew they were there. [Well, they were a bit more difficult to see as thorn bushes without looking rather close... no point in thinking about it now, though.]
[He frowns.] The bird was too small to survive on its own. And the mother was so distraught... I couldn't just leave it there to die.
[Action]
[He frowns.] The bird was too small to survive on its own. And the mother was so distraught... I couldn't just leave it there to die.