On 18/12/2020 13:22, Martin Brown wrote:
That was my thought: if the starlings landing and taking off stretch
and swing the wires so much that they touch, even in cold weather when
the heat hasn't made them expand, then a gale could do the same. The
wires need to be tightened.

It was a hell of a lot of starlings on each wire. Individually they may
not weigh much but on those numbers and all acting in synchrony they
must be well beyond normal design tolerances.


https://www.youtube.com/watch?v=pWIVoW9jAOs


--
Adrian C