Larry Jaques wrote:

I helped a neighbor build a dozen of his and we used a hinged bottom
plate with a removable screw in the front. The whole bottom dumps for
ease in removing all the old nesting material.


That sounds like what 'Hawkie' needs. Remove the screw and he falls
to the ground, then drives his bent beak into the dirt.


--
You can't have a sense of humor, if you have no sense!