* Beats me!! At this time of year, I'm not sure if you'll even find out gender. IF female, I not sure she'd even be laying this time of year to prove it, you know?? If you have a bird cage, you might be able to put him/her outside early in the a.m. and in the afternoon and see if it calls for...
* Steph, if it's not full-grown, it's probably pretty close. Keep your eyes peeled for another one-- Doves mate for life, unless it's mate dies, so there may be another. (Ed:goof repair) OH!! and they are ground-level eaters, so you may have better luck getting her to eat by filling a plate...
*wolves, hey! The ring-necks in my yard eat Chook's leftovers at the end of the day. I feed Chook layer crumbles with a tbsp of scratch and a tbsp of wild bird with boss and a tbsp. of oyster shell grit. You can pick up dove mix at a pet store later if you want.