There's been no problem with peanut butter I feed my wild squirels all the time with it but not too much wal-nuts is a better option as they LOVE them lol,

Feeding birds is fine were giving them extra food nothing to be scared about EVER! because some areas have been cut down where birds always go then there's no food and they could starve on the way looking for a new area.

Just do everything I told you in the first post that's all good for the birds but seeds are the main option.

THE BIG! problem is when people feed the geese and ducks because these birds always start to depend on humans then won't want to migrate in the winter there for they starve when a human does not feed them (There's a man like that around my area always feeding the geese and ducks bread ).

Don't give bread to birds because it's not healthy, I'll give my pigeons a small peice like once in 2 months as a treat.