if you have any rice that will be more appealing to the bird than bread , if you open the wing up on the bird it may be stamped , if no fanciers on site in your area that can collect it you may be better off reporting it to the R.P.R.A ON LINK BELOW , thanks for taking care of this bird and trying to help it , welcome to pigeon basics http://www.rpra.org/StraysReportingForm/tabid/105/Default.aspx