bz, that is very interesting.

I wonder if the WD-40 triggers some type of instinct like a territorial thing, or a type of reaction to a threat.

I'm not sure I would want to be introducing WD-40 into my pond though.

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."