Hi
Most of us have read this:
https://ecommons.cornell.edu/bitstr...d=4C327DB05E16DC7AB8A0D15C342C3326?sequence=2
If entrance is round and large and off the ground it may act as a bird box!
Most of us have read this:
https://ecommons.cornell.edu/bitstr...d=4C327DB05E16DC7AB8A0D15C342C3326?sequence=2
If entrance is round and large and off the ground it may act as a bird box!