Can I use one nest box for a pair of Bourkes and budgies? They are in two different cages. I'd breed firstly one pair, next the second one (if budgies want it, it would be the first time for them)
I personally prefer to have a separate box for each pair that they are able to recognize and customize to their hearts desire. If cost is too high to get each pair a box then you also don’t have funds to be breeding responsibly in the first place. I would use different boxes.
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