| Date | Count | Activity |
| [14 | Oct | 2024] | | アサギマダラの渡りを見る会 |
| [5 | Oct | 2024] | | 細河地区棚田の稲刈り |
| [19 | Sep | 2024] | | 「池田の自然」写真・画展 (to 30 Sep 2024) |
| [8 | Sep | 2024] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [31 | Aug | 2024] | | 鳴く虫の観察会 |
| [22 | Jul | 2024] | | 池田の自然展に出展 (to 26 Jul 2024) |
| [21 | Jul | 2024] | | 猪名川水生生物観察会 |
| [6 | Jul | 2024] | | 梅雨時のキノコ観察会 |
| [22 | Jun | 2024] | | ヘイケボタル観察会 |
| [15 | Jun | 2024] | | 細河地区棚田の田植え |
| [25 | May | 2024] | | ゲンジボタル観察会 |
| [18 | May | 2024] | | ヒメボタル観察会 |
| [29 | Apr | 2024] | | 細河の生物観察会 |
| [21 | Apr | 2024] | | スタッフ研修 |
| [14 | Apr | 2024] | | 里山一斉調査 |
| [11 | Apr | 2024] | | 五月山の自然に集う仲間展に協力 (to 22 Apr 2024) |
| [31 | Mar | 2024] | | 第25回総会 |
| [12 | Feb | 2024] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2024] | | 猪名川野鳥観察会 |
| [6 | Jan | 2024] | | 春の七草さがし |
| [9 | Dec | 2023] | | 初冬の五月山観察会（動物のフィールドサイン・野鳥など） |
| [9 | Oct | 2023] | | アサギマダラの渡りを見る会 |
| [7 | Oct | 2023] | | 細河地区棚田の稲刈り |
| [14 | Sep | 2023] | | 「池田の自然」写真・画展 (to 25 Sep 2023) |
| [10 | Sep | 2023] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [2 | Sep | 2023] | | 鳴く虫の観察会 |
| [24 | Jul | 2023] | | 池田の自然展に出展 (to 28 Jul 2023) |
| [23 | Jul | 2023] | | 猪名川水生生物観察会 |
| [8 | Jul | 2023] | | 梅雨時のキノコ観察会 |
| [24 | Jun | 2023] | | ヘイケボタル観察会 |
| [10 | Jun | 2023] | | 細河地区棚田の田植え |
| [27 | May | 2023] | | ゲンジボタル観察会 |
| [20 | May | 2023] | | ヒメボタル観察会 |
| [29 | Apr | 2023] | | 細河の生物観察会 |
| [23 | Apr | 2023] | | スタッフ研修 |
| [13 | Apr | 2023] | | 五月山の自然に集う仲間展に協力 (to 24 Apr 2023) |
| [9 | Apr | 2023] | | 里山一斉調査 |
| [2 | Apr | 2023] | | 第24回総会 |
| [12 | Feb | 2023] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2023] | | 猪名川野鳥観察会 |
| [6 | Jan | 2023] | | 春の七草さがし |
| [10 | Dec | 2022] | | 初冬の五月山観察会（動物のフィールドサイン・野鳥など） |
| [8 | Oct | 2022] | | アサギマダラの渡りを見る会 |
| [1 | Oct | 2022] | | 細河地区棚田の稲刈り |
| [15 | Sep | 2022] | | 「池田の自然」写真・画展 (to 26 Sep 2022) |
| [11 | Sep | 2022] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [3 | Sep | 2022] | | 鳴く虫の観察会 |
| [25 | Jul | 2022] | | 池田の自然展に出展 (to 29 Jul 2022) |
| [24 | Jul | 2022] | | 猪名川水生生物観察会 |
| [9 | Jul | 2022] | | 梅雨時のキノコ観察会 |
| [2 | Jul | 2022] | | ヘイケボタル観察会 |
| [11 | Jun | 2022] | | 細河地区棚田の田植え |
| [28 | May | 2022] | | ゲンジボタル観察会 |
| [21 | May | 2022] | | ヒメボタル観察会 |
| [29 | Apr | 2022] | | 細河の生物観察会 |
| [24 | Apr | 2022] | | スタッフ研修 |
| [10 | Apr | 2022] | | 里山一斉調査 |
| [3 | Apr | 2022] | | 第23回総会 |
| [12 | Feb | 2022] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2022] | | 猪名川野鳥観察会 |
| [6 | Jan | 2022] | | 春の七草さがし |
| [11 | Dec | 2021] | | 初冬の五月山観察会（動物のフィールドサイン・野鳥など） |
| [9 | Oct | 2021] | | アサギマダラの渡りを見る会 |
| [2 | Oct | 2021] | | 細河地区棚田の稲刈り |
| [15 | Sep | 2021] | | 「池田の自然」写真・画展 (to 23 Sep 2021) |
| [12 | Sep | 2021] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [4 | Sep | 2021] | | 鳴く虫の観察会 |
| [26 | Jul | 2021] | | 池田の自然展に出展 (to 30 Jul 2021) |
| [25 | Jul | 2021] | | 猪名川水生生物観察会 |
| [11 | Jul | 2021] | | 梅雨時のキノコ観察会 |
| [3 | Jul | 2021] | | ヘイケボタル観察会 |
| [12 | Jun | 2021] | | 細河地区棚田の田植え |
| [29 | May | 2021] | | ゲンジボタル観察会 |
| [22 | May | 2021] | | ヒメボタル観察会 |
| [29 | Apr | 2021] | | 細河の生物観察会 |
| [24 | Apr | 2021] | | スタッフ研修 |
| [11 | Apr | 2021] | | 里山一斉調査 |
| [4 | Apr | 2021] | | 第22回総会 |
| [13 | Feb | 2021] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2021] | | 猪名川野鳥観察会 |
| [6 | Jan | 2021] | | 春の七草さがし |
| [12 | Dec | 2020] | | 初冬の五月山観察会（動物のフィールドサイン・野鳥など） |
| [10 | Oct | 2020] | | アサギマダラの渡りを見る会 |
| [3 | Oct | 2020] | | 細河地区棚田の稲刈り |
| [13 | Sep | 2020] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [5 | Sep | 2020] | | 鳴く虫の観察会 |
| [27 | Jul | 2020] | | 池田の自然展に出展 (to 31 Jul 2020) |
| [26 | Jul | 2020] | | 猪名川水生生物観察会 |
| [16 | Jul | 2020] | | 「池田の自然」写真・画展 (to 27 Jul 2020) |
| [11 | Jul | 2020] | | ヘイケボタル観察会 |
| [6 | Jul | 2020] | | 梅雨時のキノコ観察会 |
| [13 | Jun | 2020] | | 細河地区棚田の田植え |
| [30 | May | 2020] | | ゲンジボタル観察会 |
| [23 | May | 2020] | | ヒメボタル観察会 |
| [29 | Apr | 2020] | | 細河の生物観察会 |
| [25 | Apr | 2020] | | 発足20周年記念観察会 |
| [12 | Apr | 2020] | | 里山一斉調査 |
| [11 | Apr | 2020] | | 第20回総会 |
| [15 | Feb | 2020] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2020] | | 猪名川野鳥観察会 |
| [5 | Jan | 2020] | | 春の七草さがし |
| [7 | Dec | 2019] | | 初冬の五月山観察会（動物のフィールドサイン・野鳥など） |
| [12 | Oct | 2019] | | アサギマダラの渡りを見る会 |
| [5 | Oct | 2019] | | 細河地区棚田の稲刈り |
| [8 | Sep | 2019] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [7 | Sep | 2019] | | 鳴く虫の観察会 |
| [22 | Jul | 2019] | | 池田の自然展に出展 (to 26 Jul 2019) |
| [21 | Jul | 2019] | | 猪名川水生生物観察会 |
| [18 | Jul | 2019] | | 「池田の自然」写真・画展 (to 29 Jul 2019) |
| [13 | Jul | 2019] | | ヘイケボタル観察会 |
| [6 | Jul | 2019] | | 梅雨時のキノコ観察会 |
| [8 | Jun | 2019] | | 細河地区棚田の田植え |
| [31 | May | 2019] | | ゲンジボタル観察会 |
| [18 | May | 2019] | | ヒメボタル観察会 |
| [29 | Apr | 2019] | | 細河の生物観察会 |
| [27 | Apr | 2019] | | 発足20周年記念観察会 |
| [14 | Apr | 2019] | | 里山一斉調査 |
| [6 | Apr | 2019] | | 第20回総会 |
| [17 | Feb | 2019] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2019] | | 猪名川野鳥観察会 |
| [6 | Jan | 2019] | | 春の七草さがし |
| [8 | Dec | 2018] | | 初冬の五月山観察会（動物のフィールドサイン・野鳥など） |
| [8 | Oct | 2018] | | アサギマダラの渡りを見る会 |
| [6 | Oct | 2018] | | 細河地区棚田の稲刈り |
| [9 | Sep | 2018] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [1 | Sep | 2018] | | 鳴く虫の観察会 |
| [23 | Jul | 2018] | | 池田の自然展に出展 (to 27 Jul 2018) |
| [22 | Jul | 2018] | | 猪名川水生生物観察会 |
| [19 | Jul | 2018] | | 「池田の自然」写真・画展 (to 30 Jul 2018) |
| [14 | Jul | 2018] | | ヘイケボタル観察会 |
| [7 | Jul | 2018] | | 梅雨時のキノコ観察会 |
| [9 | Jun | 2018] | | 細河地区棚田の田植え |
| [1 | Jun | 2018] | | ゲンジボタル観察会 |
| [19 | May | 2018] | | ヒメボタル観察会 |
| [29 | Apr | 2018] | | 細河の生物観察会 |
| [21 | Apr | 2018] | | ＜スタッフ研修＞ |
| [8 | Apr | 2018] | | 里山一斉調査 |
| [1 | Apr | 2018] | | 第19回総会 |
| [18 | Feb | 2018] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2018] | | 猪名川野鳥観察会 |
| [6 | Jan | 2018] | | 春の七草さがし |
| [2 | Dec | 2017] | | 動物のフィールドサインと野鳥の観察会 |
| [5 | Nov | 2017] | | 晩秋の猪名川自然観察会 |
| [9 | Oct | 2017] | | アサギマダラの渡りを見る会:五月山 |
| [7 | Oct | 2017] | | 細河地区棚田(会員田)の稲刈り |
| [10 | Sep | 2017] | | スタッフ研修(初秋の猪名川観察会) |
| [2 | Sep | 2017] | | 鳴く虫の観察会 |
| [24 | Jul | 2017] | | 池田の自然展 (to 28 Jul 2017) |
| [23 | Jul | 2017] | | 猪名川水生生物観察会 |
| [20 | Jul | 2017] | | 「池田の自然」写真・画展 (to 31 Jul 2017) |
| [14 | Jul | 2017] | | ヘイケボタル観察会:荘園 |
| [1 | Jul | 2017] | | 梅雨時のキノコ観察会 |
| [10 | Jun | 2017] | | 細河地区棚田(会員田)の田植え |
| [2 | Jun | 2017] | | ゲンジボタル観察会:余野川 |
| [20 | May | 2017] | | ヒメボタル観察会:畑地区 |
| [29 | Apr | 2017] | | 細河の生き物観察会 |
| [15 | Apr | 2017] | | スタッフ研修(能勢街道) |
| [9 | Apr | 2017] | | 里山一斉調査 |
| [1 | Apr | 2017] | | 第18回総会 |
| [12 | Feb | 2017] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2017] | | 猪名川野鳥観察会 |
| [6 | Jan | 2017] | | 春の七草さがし |
| [3 | Dec | 2016] | | 動物のフィールドサインと野鳥の観察会 |
| [6 | Nov | 2016] | | 晩秋の猪名川自然観察会 |
| [10 | Oct | 2016] | | アサギマダラの渡りを見る会:五月山 |
| [8 | Oct | 2016] | | 細河地区棚田(会員田)の稲刈り |
| [11 | Sep | 2016] | | スタッフ研修(初秋の猪名川観察会) |
| [3 | Sep | 2016] | | 鳴く虫の観察会 |
| [21 | Jul | 2016] | | 「池田の自然」写真・画展 (to 1 Aug 2016) |
| [19 | Jul | 2016] | | 池田の自然展 (to 22 Jul 2016) |
| [17 | Jul | 2016] | | 猪名川水生生物観察会 |
| [15 | Jul | 2016] | | ヘイケボタル観察会:荘園 |
| [2 | Jul | 2016] | | 梅雨時のキノコ観察会 |
| [11 | Jun | 2016] | | 細河地区棚田(会員田)の田植え |
| [3 | Jun | 2016] | | ゲンジボタル観察会:余野川 |
| [21 | May | 2016] | | ヒメボタル観察会:畑地区 |
| [29 | Apr | 2016] | | 細河の生き物観察会 |
| [16 | Apr | 2016] | | スタッフ研修(能勢街道) |
| [10 | Apr | 2016] | | 里山一斉調査 |
| [2 | Apr | 2016] | | 第17回総会 |
| [14 | Feb | 2016] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2016] | | 猪名川野鳥観察会 阪急鉄橋下→呉服橋→中橋 |
| [6 | Jan | 2016] | | 春の七草さがし（七草がゆの材料集め） 東山 |
| [5 | Dec | 2015] | | 動物のフィールドサインと野鳥の観察会 五月山 |
| [8 | Nov | 2015] | | 晩秋の猪名川自然観察会（植物・モクズガニ・鳥類など） |
| [12 | Oct | 2015] | | アサギマダラの渡りを見る会 五月山 |
| [10 | Oct | 2015] | | 細河地区棚田（会員田）の稲刈り 東山町 |
| [13 | Sep | 2015] | | ＜スタッフ研修＞初秋の猪名川観察会（魚類など） |
| [5 | Sep | 2015] | | 鳴く虫の観察会 吉田橋→伏尾町 |
| [23 | Jul | 2015] | | 「池田の自然」写真･画展 緑のセンター (to 3 Aug 2015) |
| [21 | Jul | 2015] | | 池田の自然展 市役所１階ロビー (to 24 Jul 2015) |
| [19 | Jul | 2015] | | 猪名川水生生物観察会（魚貝類・水生昆虫など） |
| [17 | Jul | 2015] | | ヘイケボタル観察会 荘園 |
| [4 | Jul | 2015] | | 梅雨時のキノコ観察会 五月山 |
| [13 | Jun | 2015] | | 細河地区棚田（会員田）の田植え 東山町 |
| [5 | Jun | 2015] | | ゲンジボタル観察会 余野川 東山町 |
| [23 | May | 2015] | | ヒメボタル観察会 畑地区 |
| [29 | Apr | 2015] | | 細河の生物観察会 吉田橋→伏尾町（里山の植物・昆虫・水辺の生き物） |
| [18 | Apr | 2015] | | ＜スタッフ研修＞ |
| [12 | Apr | 2015] | | 里山一斉調査（池田・五月山コース） |
| [4 | Apr | 2015] | | 第16回総会 |
| [15 | Feb | 2015] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2015] | | 猪名川野鳥観察会 阪急鉄橋下→呉服橋→中橋 |
| [6 | Jan | 2015] | | 春の七草さがし（七草がゆの材料集め） 東山 |
| [6 | Dec | 2014] | | 動物のフィールドサインと野鳥の観察会 五月山 |
| [9 | Nov | 2014] | | 晩秋の猪名川自然観察会（植物・モクズガニ・鳥類など） |
| [12 | Oct | 2014] | | 細河地区棚田（会員田）の稲刈り 東山町 |
| [11 | Oct | 2014] | | アサギマダラの渡りを見る会 五月山 |
| [14 | Sep | 2014] | | ＜スタッフ研修＞初秋の猪名川観察会（魚類など） |
| [6 | Sep | 2014] | | 鳴く虫の観察会 吉田橋→伏尾町 |
| [24 | Jul | 2014] | | 「池田の自然」写真･画展 緑のセンター (to 4 Aug 2014) |
| [22 | Jul | 2014] | | 池田の自然展 市役所１階ロビー (to 25 Jul 2014) |
| [20 | Jul | 2014] | | 猪名川水生生物観察会（魚貝類・水生昆虫など） |
| [18 | Jul | 2014] | | ヘイケボタル観察会 荘園 |
| [5 | Jul | 2014] | | 梅雨時のキノコ観察会 五月山 |
| [14 | Jun | 2014] | | 細河地区棚田（会員田）の田植え 東山町 |
| [6 | Jun | 2014] | | ゲンジボタル観察会 余野川 東山町 |
| [24 | May | 2014] | | ヒメボタル観察会 畑地区 |
| [29 | Apr | 2014] | | 細河の生物観察会 吉田橋→伏尾町（里山の植物・昆虫・水辺の生き物） |
| [20 | Apr | 2014] | | ＜スタッフ研修＞ 伏尾町 |
| [13 | Apr | 2014] | | 里山一斉調査（池田・五月山コース） |
| [5 | Apr | 2014] | | 第15回総会 |
| [16 | Feb | 2014] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2014] | | 猪名川野鳥観察会 阪急鉄橋下→呉服橋→中橋 |
| [5 | Jan | 2014] | | 春の七草さがし（七草がゆの材料集め） 東山 |
| [7 | Dec | 2013] | | 動物のフィールドサインと野鳥の観察会 五月山 |
| [17 | Nov | 2013] | | 晩秋の猪名川自然観察会（植物・モクズガニ・鳥類など） |
| [7 | Oct | 2013] | | アサギマダラの渡りを見る会 五月山 |
| [28 | Sep | 2013] | | 細河地区棚田（会員田）の稲刈り 東山町 |
| [15 | Sep | 2013] | | ＜スタッフ研修＞初秋の猪名川観察会（魚類など） |
| [7 | Sep | 2013] | | 鳴く虫の観察会 吉田橋→伏尾町 |
| [25 | Jul | 2013] | | 「池田の自然」写真･画展 緑のセンター (to 5 Aug 2013) |
| [23 | Jul | 2013] | | 池田の自然展 市役所１階ロビー (to 26 Jul 2013) |
| [21 | Jul | 2013] | | 猪名川水生生物観察会（魚貝類・水生昆虫など） |
| [19 | Jul | 2013] | | ヘイケボタル観察会 荘園 |
| [6 | Jul | 2013] | | 梅雨時のキノコ観察会 五月山 |
| [8 | Jun | 2013] | | 細河地区棚田（会員田）の田植え 東山町 |
| [7 | Jun | 2013] | | ゲンジボタル観察会 余野川 東山町 |
| [25 | May | 2013] | | ヒメボタル観察会 畑地区 |
| [24 | May | 2013] | | ヒメボタル観察会 杉ヶ谷川ふれあい橋 |
| [29 | Apr | 2013] | | 細河の生物観察会 吉田橋→伏尾町（里山の植物・昆虫・水辺の生き物） |
| [21 | Apr | 2013] | | ＜スタッフ研修＞ 伏尾町 |
| [14 | Apr | 2013] | | 里山一斉調査（池田・五月山コース） |
| [6 | Apr | 2013] | | 第14回総会 |
| [17 | Feb | 2013] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2013] | | 猪名川野鳥観察会 阪急鉄橋下→呉服橋→中橋 |
| [6 | Jan | 2013] | | 春の七草さがし（七草がゆの材料集め） 東山 |
| [8 | Dec | 2012] | | 動物のフィールドサインと野鳥の観察会 五月山 |
| [18 | Nov | 2012] | | 晩秋の猪名川自然観察会（植物・モクズガニ・鳥類など） |
| [6 | Oct | 2012] | | 細河地区棚田（会員田）の稲刈り 東山町 |
| [1 | Oct | 2012] | | アサギマダラの渡りを見る会 五月山 |
| [9 | Sep | 2012] | | ＜スタッフ研修＞初秋の猪名川観察会（魚類など） |
| [1 | Sep | 2012] | | 鳴く虫の観察会 吉田橋→伏尾町 |
| [23 | Jul | 2012] | | 池田の自然展 市役所１階ロビー |
| [22 | Jul | 2012] | | 猪名川水生生物観察会（魚貝類・水生昆虫など） |
| [19 | Jul | 2012] | | 「池田の自然」写真･画展 緑のセンター |
| [14 | Jul | 2012] | | ヘイケボタル観察会 荘園 |
| [7 | Jul | 2012] | | 梅雨時のキノコ観察会 五月山 |
| [9 | Jun | 2012] | | 細河地区棚田（会員田）の田植え 東山町 |
| [8 | Jun | 2012] | | ゲンジボタル観察会 余野川 東山町 |
| [26 | May | 2012] | | ヒメボタル観察会 畑地区 |
| [25 | May | 2012] | | ヒメボタル観察会 杉ｹ谷川ふれあい橋 |
| [29 | Apr | 2012] | | 細河の生物観察会 吉田橋→伏尾町（里山の植物・昆虫・水辺の生き物） |
| [22 | Apr | 2012] | | ＜スタッフ研修＞ |
| [8 | Apr | 2012] | | 里山一斉調査（池田・五月山コース） |
| [7 | Apr | 2012] | | 第13回総会 |
| [12 | Feb | 2012] | | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2012] | | 猪名川野鳥観察会 |
| [6 | Jan | 2012] | 41 | 春の七草さがし（七草がゆの材料集め） 東山町 |
| [10 | Dec | 2011] | 3 | 動物のフィールドサインと野鳥の観察会 五月山 |
| [20 | Nov | 2011] | 9 | 晩秋の猪名川自然観察会（植物・モクズガニ・鳥類など） |
| [8 | Oct | 2011] | 41 | 細河地区棚田（会員田）の稲刈り 東山町 |
| [3 | Oct | 2011] | 17 | アサギマダラの渡りを見る会 五月山 |
| [11 | Sep | 2011] | 25 | ＜スタッフ研修＞初秋の猪名川観察会（魚類など） |
| [3 | Sep | 2011] | Call off | 鳴く虫の観察会 吉田橋→伏尾町（雨天中止） |
| [25 | Jul | 2011] | Many | 池田の自然展 市役所1階ロビー (to 29 Jul 2011) |
| [24 | Jul | 2011] | 20 | 猪名川水生生物観察会（魚貝類。水生昆虫等） |
| [14 | Jul | 2011] | Many | 「池田の自然」写真・画展 緑のセンター (to 1 Aug 2011) |
| [9 | Jul | 2011] | 36 | ヘイケボタル観察会 荘園 |
| [2 | Jul | 2011] | 11 | 梅雨時のキノコ・植物観察会 五月山 |
| [4 | Jun | 2011] | 51 | 細河地区棚田（会員田）の田植え |
| [3 | Jun | 2011] | 32 | ゲンジボタル観察会 余野川:東山町 |
| [27 | May | 2011] | 8 | ヒメボタル観察会 杉ケ谷川ふれあい橋 |
| [21 | May | 2011] | 18 | ヒメボタル観察会 畑地区 |
| [29 | Apr | 2011] | 21 | 細河の生物観察会 吉田橋→伏尾町 |
| [24 | Apr | 2011] | 9 | ＜スタッフ研修＞ |
| [10 | Apr | 2011] | 11 | 里山一斉調査（池田・五月山コース） |
| [2 | Apr | 2011] | 10 | 第１２回総会 |
| [13 | Feb | 2011] | 11 | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2011] | Call off | 猪名川野鳥観察会（雪で中止） |
| [6 | Jan | 2011] | 31 | 春の七草さがし |
| [11 | Dec | 2010] | 4 | 動物のフィールドサイン観察会 |
| [21 | Nov | 2010] | 11 | 晩秋の猪名川自然観察会 |
| [11 | Oct | 2010] | 25 | 細河地区の稲刈り |
| [4 | Oct | 2010] | 16 | アサギマダラ(蝶)の渡りを見る会 |
| [12 | Sep | 2010] | 29 | ＜スタッフ研修＞ |
| [4 | Sep | 2010] | 13 | 鳴く虫の観察会 細河 |
| [22 | Jul | 2010] | Many | 池田の自然写真・画展 緑のセンター (to 2 Aug 2010) |
| [20 | Jul | 2010] | Many | 池田の自然展 市役所１階ロビー (to 23 Jul 2010) |
| [18 | Jul | 2010] | 21 | 猪名川水生生物観察会 |
| [10 | Jul | 2010] | 50 | ヘイケボタル観察会 荘園 |
| [3 | Jul | 2010] | | 梅雨時のキノコ・植物観察会（雨天中止） |
| [5 | Jun | 2010] | 37 | 細河地区の田植え |
| [4 | Jun | 2010] | 133 | ゲンジボタル観察会 細河 |
| [28 | May | 2010] | 44 | ヒメボタル観察会 杉ヶ谷 (詳細) |
| [22 | May | 2010] | 40 | ヒメボタル観察会 畑 |
| [21 | May | 2010] | 33 | ヒメボタル観察会 杉ヶ谷 (詳細) |
| [29 | Apr | 2010] | 20 | 細河の生物観察会 |
| [25 | Apr | 2010] | 7 | ＜スタッフ研修＞ |
| [11 | Apr | 2010] | 8 | 里山一斉調査 |
| [3 | Apr | 2010] | 13 | 第１１回総会 荘園会館にて |
| [14 | Feb | 2010] | 9 | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2010] | 18 | 猪名川野鳥観察会 |
| [6 | Jan | 2010] | 25 | 春の七草さがし |
| [12 | Dec | 2009] | 11 | 動物のフィールドサイン観察会 |
| [22 | Nov | 2009] | 14 | 晩秋の猪名川自然観察会 |
| [11 | Oct | 2009] | 33 | 稲刈り |
| [5 | Oct | 2009] | 21 | アサギマダラの渡りを見る会 |
| [13 | Sep | 2009] | 35 | ＜スタッフ研修＞ |
| [5 | Sep | 2009] | 10 | 鳴く虫の観察会 |
| [23 | Jul | 2009] | Many | 池田の自然写真・画展 (to 3 Aug 2009) |
| [21 | Jul | 2009] | Many | 池田の自然展 (to 24 Jul 2009) |
| [19 | Jul | 2009] | 10 | 猪名川水生生物観察会 |
| [11 | Jul | 2009] | 16 | ヘイケボタル観察会 |
| [4 | Jul | 2009] | 15 | 梅雨時のキノコ・植物観察会 |
| [6 | Jun | 2009] | 32 | 田植え |
| [5 | Jun | 2009] | 63 | ゲンジボタル観察会 |
| [23 | May | 2009] | Call off | ヒメボタル観察会 (新型インフルエンザにより中止) |
| [2 | May | 2009] | 8 | ＜スタッフ研修＞ |
| [29 | Apr | 2009] | | 細河の生物観察会 |
| [12 | Apr | 2009] | 3 | 里山一斉調査 |
| [4 | Apr | 2009] | 13 | 第10回総会 |
| [15 | Feb | 2009] | 32 | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2009] | 32 | 猪名川野鳥観察会 |
| [6 | Jan | 2009] | 22 | 春の七草さがし（七草がゆの材料集め）-東山 |
| [13 | Dec | 2008] | 3 | 動物のフィールドサイン観察会 |
| [23 | Nov | 2008] | 9 | 晩秋の猪名川の自然観察 |
| [12 | Oct | 2008] | 35 | 細河地区棚田の稲刈り |
| [6 | Oct | 2008] | 11 | アサギマダラの渡りを見る会 |
| [14 | Sep | 2008] | 18 | ＜スタッフ研修＞初秋の猪名川観察会 |
| [6 | Sep | 2008] | 11 | 鳴く虫の観察会（クツワムシ・カンタン・ウマオイ etc） |
| [24 | Jul | 2008] | Many | 池田の自然写真・画展 緑のセンター (to 4 Aug 2008) |
| [22 | Jul | 2008] | Many | 池田の自然展 市役所一階ロビー (to 25 Jul 2008) |
| [20 | Jul | 2008] | 20 | 猪名川水生生物観察会（ジャコすくいなど） |
| [6 | Jul | 2008] | 14 | 梅雨時のキノコ・植物観察会 |
| [4 | Jul | 2008] | 20 | ヘイケボタル観察会 荘園 |
| [7 | Jun | 2008] | | 細河地区棚田（会員田）の田植え |
| [6 | Jun | 2008] | 23 | ゲンジボタル観察会(細河) |
| [24 | May | 2008] | Call off | ヒメボタル観察会(畑) |
| [29 | Apr | 2008] | | 細河の生き物観察会 |
| [27 | Apr | 2008] | 9 | スタッフ研修 |
| [13 | Apr | 2008] | 3 | 里山一斉調査 |
| [6 | Apr | 2008] | 12 | 第9回総会 |
| [17 | Feb | 2008] | 8 | 市内水辺の鳥一斉調査 |
| [11 | Feb | 2008] | 19 | 猪名川野鳥観察会 |
| [6 | Jan | 2008] | 34 | 春の七草さがし（七草がゆの材料集め）-東山 |
| [15 | Dec | 2007] | 3 | 動物のフィールドサイン観察会 |
| [25 | Nov | 2007] | 17 | 猪名川の自然観察 |
| [7 | Oct | 2007] | 20 | 細河地区棚田の稲刈り |
| [1 | Oct | 2007] | 21 | アサギマダラの渡りを見る会 |
| [9 | Sep | 2007] | | ＜スタッフ研修＞初秋の猪名川観察会 |
| [1 | Sep | 2007] | 8 | 鳴く虫の観察会（クツワムシ・カンタン・ウマオイ etc） |
| [26 | Jul | 2007] | | 池田の自然写真・画展 緑のセンター (to 6 Aug 2007) |
| [23 | Jul | 2007] | Many | 池田の自然展 市役所一階ロビー (to 27 Jul 2007) |
| [22 | Jul | 2007] | 32 | 水生生物観察会 猪名川（ジャコすくい＆投網実演） |
| [29 | Jun | 2007] | Call off | ヘイケボタル観察会 荘園 |
| [17 | Jun | 2007] | 4 | 梅雨時のキノコ・植物観察会 |
| [9 | Jun | 2007] | 35 | 細河地区棚田（会員田）の田植え |
| [25 | May | 2007] | Call off | ヒメボタル観察会 城山 |
| [19 | May | 2007] | 18 | ヒメボタル観察会 畑地区 |
| [29 | Apr | 2007] | 8 | 里山の生物観察会 東山町?伏尾町（里山の植物・昆虫・水辺の生き物） |
| [22 | Apr | 2007] | 6 | ＜スタッフ研修＞ |
| [8 | Apr | 2007] | 8 | 里山一斉調査（五月山の生物全般） |
| [1 | Apr | 2007] | 10 | 第8回総会 場所：荘園会館 |
| [1 | Apr | 2007] | 10 | 総会 |
| [18 | Feb | 2007] | 7 | Research water birds within the city |
| [11 | Feb | 2007] | 6 | Wild-bird watching in Inagawa |
| [14 | Jan | 2007] | 5 | Field signs of living things |
| [6 | Jan | 2007] | 14 | Gather seven spring herbs |
| [26 | Nov | 2006] | 5 | 猪名川の自然観察とつる工作（リース土台、カゴ） |
| [8 | Oct | 2006] | 28 | 細河地区棚田の稲刈り |
| [3 | Oct | 2006] | 31 | Migration of Chestnut Tiger |
| [10 | Sep | 2006] | 12 | Staff study River Ina in early autumn |
| [2 | Sep | 2006] | 15 | Singing insects observation |
| [27 | Jul | 2006] | ? | Nature of Ikeda in Ikeda City Green Center (to 7 Aug 2006) |
| [24 | Jul | 2006] | Many | Exhibition of Ikeda (1F lobby in the Ikeda City Hall) (to 28 Jul 2006) |
| [23 | Jul | 2006] | 10 | 水生生物観察会in猪名川（ジャコすくい＆投網実演） |
| [19 | Jul | 2006] | Many | いたこんカーニバル (to 3 Sep 2006) |
| [30 | Jun | 2006] | 67 | Heike fireflies in So-en |
| [18 | Jun | 2006] | 7 | Mushrooms on the rainy season |
| [10 | Jun | 2006] | 33 | 細河地区棚田田植え |
| [26 | May | 2006] | 32 | ヒメボタル観察会in城山 |
| [20 | May | 2006] | 33 | Hime fireflies in Hata area |
| [29 | Apr | 2006] | 26 | Living creatures at Fushio and Higashiyama in Hosokawa |
| [23 | Apr | 2006] | 8 | Staff study |
| [15 | Apr | 2006] | | 第10回ヒメボタルサミット参加 |
| [9 | Apr | 2006] | | Local hill area research |
| [1 | Apr | 2006] | 14 | 7th general meeting |
| [11 | Mar | 2006] | 19300 | Exhibition in Osaka nature history festival (to 12 Mar 2006) |
| [18 | Feb | 2006] | ? | The 16th Mr. Kawazoe's lecture |
| [12 | Feb | 2006] | 7 | Research water birds within the city |
| [11 | Feb | 2006] | 13 | Wild-bird watching in Inagawa |
| [21 | Jan | 2006] | ? | The 15th Mr. Kawazoe's lecture |
| [15 | Jan | 2006] | 13 | Field signs of living things |
| [5 | Jan | 2006] | 16 | Gather seven spring herbs |
| [27 | Nov | 2005] | 7 | Plants observation and vine basket weaving |
| [15 | Oct | 2005] | ? | The 14th Mr. Kawazoe's lecture |
| [9 | Oct | 2005] | 28 | Harvesting rice |
| [3 | Oct | 2005] | 24 | Migration of Chestnut Tiger |
| [17 | Sep | 2005] | | The 13th Mr. Kawazoe's lecture |
| [11 | Sep | 2005] | 29 | Staff study River Ina in early autumn |
| [3 | Sep | 2005] | 12 | Singing insects observation |
| [20 | Aug | 2005] | | The 12th Mr. Kawazoe's lecture |
| [28 | Jul | 2005] | ? | Nature of Ikeda in Ikeda City Green Center (to 8 Aug 2005) |
| [25 | Jul | 2005] | 780 | Exhibition of Ikeda (1F lobby in the Ikeda City Hall) (to 29 Jul 2005) |
| [17 | Jul | 2005] | 23 | Water creatures in the River Ina |
| [13 | Jul | 2005] | 29000 | Itakon☆Carnival (ITAMI CITY MUSEUM OF INSECTS) (to 31 Aug 2005) |
| [1 | Jul | 2005] | Call off | Heike fireflies in So-en |
| [19 | Jun | 2005] | 6 | Mushrooms on the rainy season |
| [18 | Jun | 2005] | ? | The 11th Mr. Kawazoe's lecture |
| [12 | Jun | 2005] | 13 | Experience rice-planting |
| [21 | May | 2005] | ? | The 10th Mr. Kawazoe's lecture |
| [20 | May | 2005] | 66 | Hime fireflies in Shiroyama |
| [14 | May | 2005] | 30 | Hime fireflies in Hata area |
| [29 | Apr | 2005] | 23 | Living creatures at Fushio in Hosokawa |
| [24 | Apr | 2005] | 8 | Staff study |
| [16 | Apr | 2005] | ? | The 9th Mr. Kawazoe's lecture (15:00 at So-en Kaikan) |
| [10 | Apr | 2005] | ? | Local hill area research |
| [2 | Apr | 2005] | 9 | 6th general meeting |
| [26 | Mar | 2005] | 98 | Hosted The 9th Himebotaru Summit in Ikeda |
| [19 | Mar | 2005] | ? | The 8th Mr. Kawazoe's lecture (15:00 at So-en Kaikan) |
| [19 | Feb | 2005] | ? | The 7th Mr. Kawazoe's lecture (15:00 at So-en Kaikan) |
| [12 | Feb | 2005] | 9 | Research water birds within the city |
| [11 | Feb | 2005] | 8 | Nature observation (Winter birds) |
| [15 | Jan | 2005] | 10 | Brush exploration |
| [15 | Jan | 2005] | ? | The 6th Mr. Kawazoe's lecture (15:00 at So-en Kaikan) |
| [6 | Jan | 2005] | 12 | Gather seven spring herbs |
| [4 | Dec | 2004] | ? | The 5th Mr. Kawazoe's lecture on symbiosis |
| [28 | Nov | 2004] | 18 | Plants observation and vine basket weaving |
| [16 | Oct | 2004] | ? | The 4th Mr. Kawazoe's lecture on the difference between a butterfly and a moth |
| [10 | Oct | 2004] | 22 | Harvesting rice |
| [4 | Oct | 2004] | 22 | Migration of Chestnut Tiger |
| [18 | Sep | 2004] | ? | The 3rd Mr. Kawazoe's lecture on Himebotaru |
| [12 | Sep | 2004] | ? | Staff study River Ina in early autumn |
| [4 | Sep | 2004] | 10 | Singing insects observation |
| [21 | Aug | 2004] | ? | The 2nd Mr. Kawazoe's lecture on species of living things |
| [29 | Jul | 2004] | ? | Nature of Ikeda in Ikeda City Green Center (to 9 Aug 2004) |
| [26 | Jul | 2004] | | Exhibition of Ikeda (1F lobby in the Ikeda City Hall) (to 30 Jul 2004) |
| [24 | Jul | 2004] | ? | The 1st Mr. Kawazoe's lecture on the outline |
| [18 | Jul | 2004] | 50 | Water creatures in the River Ina |
| [14 | Jul | 2004] | | Itakon☆Carnival (ITAMI CITY MUSEUM OF INSECTS) (to 30 Aug 2004) |
| [21 | Jun | 2004] | ? | Mushrooms on the rainy season |
| [19 | Jun | 2004] | 19 | Experience rice-planting |
| [18 | Jun | 2004] | 41 | Heike fireflies in So-en |
| [21 | May | 2004] | 64 | Hime fireflies in Shiroyama |
| [21 | May | 2004] | 20 | Hime fireflies in the Satsuki Park |
| [15 | May | 2004] | 84 | Hime fireflies in Hata area |
| [29 | Apr | 2004] | 27 | Living creatures in Hosokawa (Higasiyama?Fushio) |
| [25 | Apr | 2004] | 8 | Staff study Living creatures in a pond |
| [11 | Apr | 2004] | 29 | Local hill area research |
| [3 | Apr | 2004] | 15 | 5th general meeting |
| [20 | Mar | 2004] | Many | Exhibition in Osaka nature history festival (to 21 Mar 2004) |
| [14 | Feb | 2004] | 8 | Research water birds within the city |
| [11 | Feb | 2004] | 19 | Observe winter birds in the River Ina area |
| [17 | Jan | 2004] | 8 | Brush exploration |
| [4 | Jan | 2004] | 25 | Gather seven spring herbs |
| [13 | Dec | 2003] | 53 | Drain and Research in the Shin pond |
| [30 | Nov | 2003] | 8 | Observe plants and vine basket weaving |
| [6 | Oct | 2003] | 17 | Migration of Chestnut Tiger |
| [14 | Sep | 2003] | 14 | Living creatures in the River Ina |
| [6 | Sep | 2003] | 28 | Singing insects |
| [30 | Jul | 2003] | Many | Nature of Ikeda in Ikeda City Green Center (to 4 Aug 2003) |
| [20 | Jul | 2003] | 34 | Water creatures in the River Ina |
| [16 | Jun | 2003] | 8 | Mushrooms in the rainy season |
| [13 | Jun | 2003] | 104 | Heike fireflies in So-en |
| [23 | May | 2003] | 43 | Hime fireflies in Shiroyama |
| [17 | May | 2003] | 97 | Hime fireflies in Hata area |
| [29 | Apr | 2003] | Many | Nature of Ikeda in Mt. Satsuki park |
| [13 | Apr | 2003] | 8 | Local hill area research |
| [30 | Mar | 2003] | 11 | 4th general meeting & Nature of Ikeda presentation |
| [21 | Mar | 2003] | Many | Take part in Osaka nature festival (to 23 Mar 2003) |
| [16 | Feb | 2003] | ? | Research water birds within the city |
| [11 | Feb | 2003] | 21 | Observe winter birds in the River Ina |
| [18 | Jan | 2003] | 8 | Brush exploration |
| [5 | Jan | 2003] | 17 | Gather seven spring herbs |
| [1 | Dec | 2002] | 16 | Make wreath or New Year's ornament with natural materials |
| [10 | Nov | 2002] | 10 | Observe plants, Japanese Mitten Crab. and vine basket weaving |
| [7 | Oct | 2002] | 34 | Mushrooms and migration of Chestnut Tiger |
| [8 | Sep | 2002] | 9 | River Ina in early autumn (flowers and river fishes) |
| [25 | Aug | 2002] | 11 | Singing insects |
| [1 | Aug | 2002] | Many | Nature of Ikeda in Ikeda City Green Center (to 5 Aug 2002) |
| [20 | Jul | 2002] | 18 | Water creatures in the River Ina |
| [20 | Jun | 2002] | 10 | Observe plants and mushrooms in the rainy season |
| [14 | Jun | 2002] | 329 | Heike fireflies in So-en |
| [18 | May | 2002] | 4 | Staff Study migration of Hime fireflies |
| [17 | May | 2002] | 40 | Hime fireflies in Shiroyama |
| [17 | May | 2002] | 8 | Hime fireflies in Teshimaminami |
| [11 | May | 2002] | 41 | Hime fireflies in Suigetsu |
| [11 | May | 2002] | 30 | Hime fireflies in Hata area |
| [3 | May | 2002] | 4 | Staff Study Living creatures in a pond |
| [29 | Apr | 2002] | Many | Nature of Ikeda in Mt. Satsuki park (Spring Festival) |
| [14 | Apr | 2002] | 30 | Local hill area research |
| [31 | Mar | 2002] | | 3rd general meeting & A social gathering with flower viewing (Green Center) |
| [11 | Feb | 2002] | 17 | Observe stratum and rock in Mt. Satsuki |
| [13 | Jan | 2002] | 36 | Brush exploration |
| [6 | Jan | 2002] | 40 | Gather seven spring herbs |
| [9 | Dec | 2001] | 33 | Make wreath with natural materials |
| [11 | Nov | 2001] | 31 | 植物の観察・つるかご作り |
| [8 | Oct | 2001] | 31 | アサギマダラの渡りとキノコを見よう |
| [9 | Sep | 2001] | 18 | 猪名川観察会 |
| [26 | Aug | 2001] | 5 | 鳴く虫の観察会 |
| [2 | Aug | 2001] | Many | 池田の自然展in緑のセンター (to 12 Aug 2001) |
| [21 | Jul | 2001] | 36 | 水生生物観察会in猪名川 |
| [21 | Jun | 2001] | 20 | 梅雨時のキノコ・植物観察会 |
| [16 | Jun | 2001] | 273 | ヘイケボタル観察会in荘園 |
| [25 | May | 2001] | 18 | ヒメボタル観察会in城山 |
| [25 | May | 2001] | | ヒメボタル観察会in豊島南 |
| [19 | May | 2001] | 168 | ヒメボタル観察会in水月公園 |
| [19 | May | 2001] | | ヒメボタル観察会in畑地区 |
| [30 | Apr | 2001] | Many | 池田の自然展示in五月山公園（春フェス） |
| [8 | Apr | 2001] | | 里山一斉調査 |
| [1 | Apr | 2001] | 16 | 第2回総会＆春の野草観察（緑のセンター） |
| [11 | Mar | 2001] | | 第5回ヒメボタルサミットin池田 |
| [11 | Feb | 2001] | 17 | 自然観察会(地層・鉱物観察会) |
| [14 | Jan | 2001] | 12 | やぶこぎ探検 |
| [6 | Jan | 2001] | 22 | 春の七草探し |
| [10 | Dec | 2000] | 38 | 自然の材料でリース作り |
| [12 | Nov | 2000] | 17 | つるカゴ作りと植物観察 |
| [8 | Oct | 2000] | 30 | アサギマダラの渡りとキノコを見よう |
| [10 | Sep | 2000] | 20 | 初秋の猪名川観察会(草花と川魚、モクズガニ) |
| [26 | Aug | 2000] | 15 | 鳴く虫の観察会 |
| [27 | Jul | 2000] | | 池田の自然展in緑のセンター (to 6 Aug 2000) |
| [22 | Jul | 2000] | 29 | 水生生物観察会in猪名川 |
| [22 | Jun | 2000] | 10 | 梅雨時のキノコ・植物観察会 |
| [17 | Jun | 2000] | | ヘイケボタル観察会in荘園 |
| [20 | May | 2000] | 57 | ヒメボタル観察会in水月公園 |
| [14 | May | 2000] | 10 | 春野草のお料理教室 |
| [3 | May | 2000] | Many | 池田の自然展示in五月山公園（春フェス） |
| [29 | Apr | 2000] | 30 | ため池観察会in伏尾町 |
| [22 | Apr | 2000] | | 池田のホタル＆ホタル調査説明会 |
| [9 | Apr | 2000] | | 里山一斉調査 |
| [26 | Mar | 2000] | | 第1回総会（池田駅前南会館） |
| [20 | Mar | 2000] | 6 | スタッフ研修 市内ため池調査（新池ドブガイ） |
| [19 | Mar | 2000] | 16 | 猪名川観察会(冬鳥と野鳥) |
| [11 | Feb | 2000] | 14 | スタッフ研修 鉱物調査 |
| [16 | Jan | 2000] | 10 | やぶこぎ探検 |
| [6 | Jan | 2000] | 15 | 春の七草探し |
| [19 | Dec | 1999] | 41 | 自然の材料でリース作り |
| [28 | Nov | 1999] | 15 | 猪名川観察会 |
| [30 | Oct | 1999] | Many | 第15回大阪府都市緑化フェア＆環境フェア |
| [5 | Oct | 1999] | 25 | アサギマダラの渡りとキノコを見よう |
| [19 | Sep | 1999] | 20 | 初秋の猪名川観察会(草花と川魚) |
| [28 | Aug | 1999] | 32 | 鳴く虫の観察会 |
| [29 | Jul | 1999] | Many | 五月山の自然展in緑のセンター |
| [11 | Jul | 1999] | 18 | 水生生物観察会in猪名川 |
| [27 | Jun | 1999] | 2 | 五月山に降った雨の行方 |
| [23 | Jun | 1999] | 4 | 五月山に降った雨の行方 |
| [20 | Jun | 1999] | 14 | サワガニさがそ |
| [19 | Jun | 1999] | 23 | ヘイケボタル放流 |
| [18 | Jun | 1999] | 25 | ヘイケボタル観察会in荘園 |
| [15 | May | 1999] | 69 | ヒメボタル観察会in畑地区 |
| [15 | May | 1999] | 250 | ヒメボタル観察会in水月公園 |
| [8 | May | 1999] | 53 | ヒメボタル観察会in城山 |
| [3 | May | 1999] | Many | 池田の自然展示in五月山公園（春フェス） |
| [2 | May | 1999] | 8 | スタッフ研修 タンポポ調査と五月山観察 |
| [1 | May | 1999] | 10 | ホタル説明会 |
| [24 | Apr | 1999] | 14 | ホタル説明会 |
| [11 | Apr | 1999] | 20 | 里山一斉調査 |
| [28 | Mar | 1999] | 59 | 「池田・人と自然の会」発足会（池田市立青年の家） |
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