An animal litter-box including granular-material-housing, having a window opening formed in the front side of the granular-material-housing, allowing an animal to walk in and out of the granular-material-housing. The window opening includes an upper edge, a lower edge and two side edges. The animal litter-box further includes a granular- sifting-apparatus, having a container body, and a litter-scooper disposed inside the upper portion of the container body. The litter-scooper includes a scooper container body, wherein sifting-openings are formed at the bottom and optionally, at the lower sides of the scooper body. The granular-sifting-apparatus further includes a paws-sifter, disposed on top of the litter-scooper, for the animal to step on when going in and out of the granular- material-housing.