My 13 runner ducklings arrived a week ago and I have a pair of day-old goslings arriving in the morning(fingers crossed). What are the odds my ducklings won't take a liking to the new members of the flock? Should I have another brooder set up just in case? I've been thinking about it and would hate for something to happen to the new little ones. But I don't have another heat lamp and I'm sure they'll arrive too early to get one. Any advice for mixed brooding would be great, thank you.