This birdhouse is thoughtfully and practically designed, featuring a unique viewing panel. The transparent panel on the side door allows you to clearly observe the interior without disturbing the birds. It is made of premium cedar wood, crafted from thick New Zealand pine, which is natural, durable, and has a sturdy structure suitable for long-term placement in the garden. The birdhouse is equipped with a 1.5 in. entrance, which can easily attract various birds such as bluebirds, wrens, tree swallows, and chickadees to inhabit. The bottom ventilation hole design ensures air circulation through openings in the wall and floor, and the optimized airflow creates a comfortable and healthy living environment for the birds. The wooden extended predator guard at the entrance can prevent predators from enlarging the entrance, effectively protecting young birds from potential threats. Whether it is given to bird-watching enthusiasts, relatives, friends, or nature lovers, this birdhouse is an excellent gift choice. Color: Green.