Our ducklings did the same. If you handled them -constantly- (we had a batch in my bedroom I'd talk to all the time) then they're fine. But the moment you stop obsessing over them and hand feeding them they revert back to "omfg!11 teh world is EVIL KILLAH" mode. Muscovies don't seem to have that problem, and my goslings happily greet me. If you want adorable waterfowl that likes you try them
