If you can't lower it you might want to take them out.
Wet something like socks, rags , towels and put it up where you will open it slightly and snatch the chicks out ....... Not literally snatch
but you know be quick if you can.
Then close it tight.......it will be ok.
Wet something like socks, rags , towels and put it up where you will open it slightly and snatch the chicks out ....... Not literally snatch
Then close it tight.......it will be ok.