Hi! I believe my ducklings are 3 weeks old. And the bigger one is a Blue Swedish based on internet views. The smaller is a domestic Mallard? Any confirmations? Oh and the nights are down to 60 degrees, days in 80’s soon to be 90’s is it too soon to be without a heat lamp outside? They haven’t had it a few days in the garage. Low in the garage is about 65-70 now. I’ve had chickens for years, but ducks only when child. Anyways they’re inside the garage now, when can they go outside. I live in Sacramento area.