Drunken Bird--kinetic sound sculpture

A motion-activated sculpture that produces somewhat bird-like sounds

[@nehaharugop6833]

Can you please explain me how this works,need to know the science behind it , need it for a project please explain ❤

[@nehaharugop6833]

How?

[@michaelmeadows5998]

There are fipples which produce sound when airflow is induced, and tubes which determine pitch. There is water involved. Can you form a hypothesis?