[mou] silly question

This may be a silly question..but I have noticed in a couple messages where ppl say Harris' Sparrow FOY for example...what does the FOY stand for anyhow ?? clay-colored sparrows *Harris' sparrows (FOY - Tues. morning)* house sparrows robins bluebirds ovenbird* rose-breasted grosbeaks (FOY)*

[mou] silly question

Subject: [mou] silly question This may be a silly question..but I have noticed in a couple messages where ppl say Harris' Sparrow FOY for example...what does the FOY stand for anyhow ?? clay-colored sparrows Harris' sparrows (FOY - Tues. morning) house sparrows robins bluebirds