Q: im looking for like months.... weeks http://answers.yahoo.com/question/index;_ylt=Apk0L7cG9pclUjN3kwoWk8Lsy6IX;_ylv=3?qid=20080817081014AAArmiJ
A: Most House Sparrows are starting to moult now,so you will soon be able to see what sex it is , The male will start to get the Black bib and dark brown wing feathers,while the female will retain a normal light brown colouring. I am assuming that you are talking of the English House Sparrow.