[crazygringo]

The start of the article is hilariously contradictory:

> They may be filling your house with deafening clicks...

> These noises are at about the volume of a normal human conversation...

[mdp2021]

The joke there is that for living entities as apparently quiet as plants human conversation level noise may seem a fracas.

Rephrased: "for the standards of a plant as we may have imagined it, those noises may seem deafening".