Abstract: A trap for rodents and the like, for catching them alive, comprising an enclosure of parallelepiped configuration that is open at one end and that includes a floor, an end wall at the other end of the enclosure, opposed spaced apart side walls, a top wall, and a trap door hinged at its top for closing the enclosure open end. A rat trap type device that includes the familiar spring powered striker member and flat base is mounted in the enclosure with the base secured to the floor to have its spring powered striker member swing from its set position adjacent the end wall of the enclosure toward the open end of the enclosure.