1, birds, especially sparrows, like to nest in holes and cracks in houses, and air-conditioned holes are more suitable for nesting. Due to the strengthening of greening and the increase of birds in recent years, it is also common to nest in air-conditioned caves.
In ancient times, some large families left holes outside their houses for birds to nest, and swallows were welcome to nest inside.
Thought it would bring good luck.
3. Birds nest in the hole of air conditioner or inside the outdoor unit of air conditioner, which brings us inconvenience and even affects the operation of air conditioner, and should be driven away without harming birds.