I would be grateful to hear back from any list member/s (probably ornithologist/scientists) who could suggest a suitable reference for, or who would be willing to chat with me on the phone about, powderdowns.
I have attempted some on-line research but what little I was able to find was insufficient to satisfy my curiosity.
Any willing respondent could email me directly, possibly with a phone number I could call (and a suggested time convenient to you).
With thanks in anticipation.
(Dr) Richard NOWOTNY
Port Melbourne, Victoria
M: 0438 224 456
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