On 5 Jan, 09:08, Charlie Pridham wrote:
Many thanks for the rest I will look at the various bird sites as
suggested 2" sounds in the right area. Helen your 8cm sounds a bit large
at around 3" but maybe lost something in the conversion/translation.

I thought I'd check - http://www.harrodhorticultural.com/H...ird%20Netting/

Looks like it's only protection against pigeons - but still, 8cm ...
does the rule of 'if the head fits, the rest follows' applies to
pigeon too? g