16 and 22 and to which shape are attached the front and back walls 18 and 20 the cage walls would be adjoined by any suitable method such as by welding or other method known by those skilled in the art however if suitably dimensioned the walls and mesh could be comprised of a suitable polymeric material wood reed or other natural material it is to be understood that many materials that are apertured or comprised of a foraminous material would suffice and be known to those skilled in the art importantly the walls of the cage should be suitably apertured to enable the animal to see and smell bait placed in the interior of the cage according to this invention the front wall 18 is at an acute angle to the bottom wall 16 and is generally disposed at an angle of about 40 u00b0 60 u00b0 thereto preferably the front wall 18 is at an angle of about 45 u00b0 to the top and bottom walls 14 and 16 and forms the hypotenuse of a 45 u00b0 right triangle a trap door 30 of generally rectangular shape and having a top and a bottom edge portion 32 and 34 respectively is hingedly affixed at the top edge portion 32 thereof to the front wall 18 of the cage preferably the trap door 30 is constructed in a manner similar to that of the above described wall members and comprises a rectangular.