Laurie could be right about the lone swift being an outlier from a larger
group. However, I have on several occasions been in a position of being
able to see for a long way in all directions as well as having a trained eye
looking out for swifts for hours and seen just a single bird. They were
usually travelling in a straight line and not feeding. So! from my
experience you both could be correct.
If anyone has swift sightings that they have not reported to Birding-aus I
would still be interested in receiving a copy of your records so I can add
them to my database - that now covers many years of records.
Happy swift watching
Mike
--
Dr Mike Tarburton
Dean: School of Science & Technology
Pacific Adventist University
PMB Boroko NCD
Papua New Guinea
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