canberrabirds
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Subject: | Definition of DY in Aust Wood Ducks [SEC=UNCLASSIFIED] |
From: | "martin butterfield" <> |
Date: | Wed, 23 Jan 2008 07:43:56 +1100 |
A fair call, although noting how some broods of ducklings drop rapidly in numbers it could be felt that the teaching skills of the adults leave a lot to be desired.
However I don't think it helps poor old Puzzled very much. How can an observer tell when the parents are passing on these skills such that the young birds can be ruled one side or the other of the peri-breeding line? In some species the process of learning life-skills from adults goes on for years.
Contrite (slightly) of Carwoola
On Jan 23, 2008 7:31 AM, <> wrote:
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