I'm sure this has already been suggested before but could we please get a button that allows up to mass move from hatchery to stables?

I second this it could be an interesting thing it also might be an interesting idea to have a mass release also, you should type a password for extra security

mass release for the hatchery is already kind of a mechanic, you can get it by clicking on "hatchery settings" and then "auto release un-named adults" so when they age up, the instead get released instead of entering your stables.

a mass release mechanic in general would be kind of nice in general though--particularly for the stables, as would a mass-enter-the-stables from the hatchery.