>> in san francisco a pair of falcons nested in the building downtown will be banded. sigh sigh scientists help them determine the sex based on the size of their ankle. this will be online on the city's falcon cam. >> did you know that mike? >> i did not. >> we have to learn more about this crash. where our photographer has arrived. this is on the surface. i think it is on the boulevard but we just got this shot set up. in the background that car rolled down the hill. this car went off the road about 10:30. there is the whole bay area