did you check if the zippers were stuck due to the humidity drop?
So sorry this all went wrong. I hope someone experienced has better advice.
OK, I got chance to check in. the two zipped were still chirping, but the other 4 were silent.
I was short on time so I broke the top off both the zipped and sprayed in warm water, careful to avoid their beaks I also sprayed water all over the place hoping to get a huge rise in humidity. I hate getting all in there but the time seemed like now or never.
*fingers crossed*
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