To state an obvious flaw, what were you expecting to attract with an opening that large? A bird would need 1/4 the size or less.
Fun fact, many birds can and will hiss when they feel threatened. Parrots and some larger birds come to mind
Next time search for pictures of bird houses and realize that you don’t use a hanger bay door for the entrance to a bird house.
To state an obvious flaw, what were you expecting to attract with an opening that large? A bird would need 1/4 the size or less.
Yeah this is a deathtrap for birds. Horrible design.