Not birds, but I have seen many move as quickly as birds when a car they recognize as containing a human who feeds them enters the forest preserve by my house🤍🤍🤍🤍🤍
according to nikon,,solar filters are the only safe route. i've seen posts where people say sunglasses over lens is safe,but that is definitely not true. don't risk eyesight or camera issues. i just look at others pictures to enjoy!