Now that you are sorry, my poor bird will be better.

Leaving aside the problem of how this poor bird is going to make it on a train, who are "they"?

After all, the poor bird had been in here for more than a day.

You've been playing the poor little wounded bird for too long!

Everyone walks on top of it, showing the poor bird no respect.

I don't say I'm not sorry for the poor bird.

Will the poor bird not be bored to death being all alone and having nothing to do?

These poor birds are pushed from one field to another to die.

I promptly dug the poor bird up and presented it to her.

But that poor African bird can't be relieved of what you've taught it.