I had never heard of this behaviour, and thought it was very interesting (link to story below image). Photographer Tony Austin of Metchosin, B.C., said he had no idea what he was observing until he enlarged this image of crows at Victoria's Swan Lake Nature Sanctuary on a computer screen and...

i feed a group of wild crows here in remote Port Alice (500 population). They follow me in and out of the village too. Lately, one keeps swooping extremely close to my head. It is mid September so there are no fledgling near by. Do you know what this can mean? They do tend to fly very close...