This animal toilet has a longitudinal direction, a horizontal direction and a vertical direction that are perpendicular to each other, and is provided with an upper container which has multiple holes through which urine passes downwards, a lower container which is disposed below the upper container and which has an insertion port formed in the front surface, and a tray which is received into the lower container from the insertion port so as to be capable of being drawn out in the forward direction and which catches and stores urine falling from the holes in the upper container. When viewed from the horizontal direction, the front part of the tray does not protrude forwards beyond the aforementioned front surface of the lower container. The front portion of the tray has an exposed part. The exposed part is exposed to the external space upwards and downwards. A modified-shape part, the shape of which has been modified from that of the surrounding portion, is provided at the top and at the bottom of the exposed part.一種動物用便器，其具有互相正交的前後方向、左右方向、上下方向。具備：上容器，其設有供尿通過至下方的複數個孔；下容器，其配置在前述上容器的下方，且於前面形成有插入口；以及托盤，其可從前方抽出地從前述插入口收容於前述下容器內，且承接從前述上容器的前述孔落下的尿並將之貯留。在從前述左右方向觀看時，前述托盤的前部，並沒有比前述下容器的前述前面還要朝前方突出。前述托盤的前述前部，具有露出部分。前述露出部分，係使上方及下方露出於外部空間。於前述露出部分的上部及下部，分別設有：從周圍的部分使形狀變化的形狀變化部分。
