Problem to be solved: to provide a light and low cost small animal capture device capable of capturing small animals into a cage like body by an upward opening fluctuation of a closed body body by pushing up a small animal with an approach of small animal itself and downward closing by a self weight of a closed door body after a small animal approach.The trap isThe upper side of the closed door body 3 is pivotally attached to the front member 1D by an upper pivoting part 3aThe closed door body is moved downward by the own weight of the closed door body with the upper pivoting part as the fulcrum and the closed position of the entrance port 2 from the inside by the contact with the front member of the closed door body.It is constructed so that it can be swung freely to the opening position 3K opening the entrance port by upward swing toward the inside of the closed door body by the introduction of small animals from the entrance port to the inside of the closed door body.Diagram【課題】小動物の進入に伴う小動物自身の押し上げによる閉込扉体の上向き開口揺動及び小動物の進入後の閉込扉体の自重による下向き閉口揺動により小動物をかご状本体内に捕獲することができる軽量で低コストの小動物捕獲器を提供する。【解決手段】捕獲器は、前面部材１ｄに閉込扉体３の上辺部が上枢着部３ａにより枢着され、閉込扉体は上枢着部を支点とする閉込扉体の自重による下向き揺動及び閉込扉体の前面部材への当接により進入口部２を内方から閉口する閉口位置から、進入口部からの小動物の進入により上枢着部を支点とする閉込扉体の内方への上向き揺動により進入口部を開口する開口位置３Ｋへと揺動自在に設けられて構成される。【選択図】図７
