I have been guiding in the Wet Tropics for 14 years and have
encountered House Swifts on four occassions. The description is typical
of the species. In profile they look "softer" and less streamlined than
Needletails.
In 2003 I encontered a large flock of 100+ over Port Douglas. When
first observed they were at an altitude of about 60 metres and were in a
compact circling flock. They gradually gained altitude and remained
above our location for 7 to 8 minutes and after that time drifted away
in a southerly direction.
It was a memorable experience for the number of birds present but
also for the fact that they were totally silent.
My last sighting was at Rex Range south of Mossman in November 2006.
Del. Richards, Fine Feather Tours, Mossman, NQ.
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