Abstract: A bird's nests comprising a box-shaped body having a roof, a hole provided at each corner of said roof, a first entrance and a second entrance provided at an upper part and at a lower part of a front side of the body, side plates fitted to both sides of the body, a slit formed under the first entrance, and a pair of guide rail rearwardly extending from both ends of the slit; a panel which has at least one divided feed bucket slidably inserted into the slit; an inner wall vertically extending from a rear surface of the front side of the body; a bottom plate mounted at a lower portion of the body; a hanging bracket provided at a rear side of the body; means for slidably fitting both sides of the body with the side plates; and a hanger for hanging the nest on trees.