The underparts of White-rumped Swiftlets often appear whitish in good light.
With additional effects caused by distance, viewing angle, age and moult,
birds in a flock often seem quite variable in plumage.
Glossy Swiftlets are very different in appearance. A description giving
much more detail than underpart colour would be required to validate a
report. Although you may expect odd individuals in the Wet, especially on
CYP (e.g. Iron Range), occurrence at the latitude of Paluma in winter would
be extraordinary.
Northern Pintail...Northern Shoveler...(Northern Exposure ?).
I see a pattern forming here that recalls the Ruddy Shelduck incident near
Toowoomba, where the birding pilgrimage ultimately proved futile.
Statistical considerations point most definitely to the deliberate or
accidental release of ornamental waterfowl somewhere round Grafton. Since
collectors are known in NSW (e.g. Taree), a story in the local newspaper may
be worthwhile as an attempt to bring forth informants.
Glenn
Glenn Holmes & Associates
*birding & botanical specialists*
PO Box 1246 Atherton Qld 4883
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