Re:New slats make the Golden Gate Bridge sound like a David ...
by dylan604 on Saturday June 06, 2020 @03:17PM
(#23441570)
I went deeper down the rabbit hole, and it is their mating call / territorial signal. The drumming sound is actually created from a vacuum effect caused by the particular movement of their wings. https://www.youtube.com/watch?v=vERkh23mp64
Re:New slats make the Golden Gate Bridge sound like a David ...
by tejtm on Saturday June 06, 2020 @05:56PM
(#23442581)
It's a mating call that predates combustion engines most likely by millennia(s)
Mimicry is a powerful thing