ひたすら鳥を眺める動画/その9 2018.05.30 動画 【作業用BGV】鳥のさえずり 鳥の鳴き声は単純作業や読書にピッタリです。 https://www.youtube.com/watch?v=KpJUvl2ekzoVideo can’t be loaded because JavaScript is disabled: Bird Song – The Best Calming Music for Cats – Musica Para Gatos (https://www.youtube.com/watch?v=KpJUvl2ekzo) https://www.youtube.com/watch?v=EhgMIWrIZTwVideo can’t be loaded because JavaScript is disabled: Dog Calming TV for Dogs : Relaxing Calm Your Dog TV with Birds in Springtime (https://www.youtube.com/watch?v=EhgMIWrIZTw)