This bird box is designed and fitted with its entrance protector to protect small birds and there eggs from predators like Magpies and Squirrels which commonly steel eggs and chicks. Lots of common garden birds use nest boxes, includin g tits (Blue, Great, Coal, Marsh, Willow), sparrows (House, Tree), flycatchers (Pied), wrens, robins, nuthatches and woodpeckers.
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