The curious case of an Australian homes randomly flushing toilet had a ssss-urprising conclusion.

Residents of a house in Doonan, Queensland, were stunned to discover a brown tree snake resting on top of the toilets electronic flush mechanism, inside the wall.

Snake-catcher Luke Huntley was called to deal with the critter, and shared footage of the animals removal on Facebook :

The toilet had been flushing by itself randomly for days when they opened it up and found a surprise waiting for them! wrote Huntley. It was a quick catch but it needed to be. That or putting my hand down into the toilet water.

The U.S. Geological Survey describes brown tree snakes as mildly venomous .

They are not considered dangerous to an adult human and no known deaths have occurred, USGS adds. Young children can have reactions to tree snake bites.