animated video mp4 sitting indoors text animal holding ahoge subtitled book desk backpack bag bird classroom straight-on chalk seagull chalkboard chewing eraser dogpile has_audio high_resolution english_text english_language audible_speech school_desk no_humans english_audio animal_focus open_book poster_(object) bat_(animal) solid_circle_eyes solid_oval_eyes pink_bag chewing_gum blue_bag sticky_note holding_chalk albert_einstein batrick_(natural_habitok) natural_habitat_shorts