For all to recall if doing a GBS, it is the maximum in the area 100 Metre radius (approximately) so about 3.1 hectares at any one time. Numbers such as this
report from Lindsay are generally likely to be in the 100 to 300 range, for GBS usage.
For what it is worth at my place (not that I am out looking much in the mornings), the GBS number so far this year is about 30.
Philip
From: Lindsay Hansch [
Sent: Wednesday, 30 March 2016 4:37 PM
To: COG-L
Subject: [canberrabirds] Honeyeaters
After a big day on Sunday and no action on Monday and Tuesday, the honeyeaters really got going today from about 11 O’clock. I sat outside for a while at 12:30
and one stream of honeyeaters flew over that was constant for just over 8 minutes. There was not one second of that time when I could not see honeyeaters. To count them was impossible but a wild guess would be in the order of 3-4000 birds. There were many
other large flocks also of up to 4-500 birds. This has been the biggest concentration I have seen for 3-4 years.
Regards
Lindsay Hansch
