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canberrabirds
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To: | "David McDonald" <> |
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Subject: | Definition of DY in Aust Wood Ducks |
From: | "martin butterfield" <> |
Date: | Wed, 23 Jan 2008 06:03:19 +1100 |
Dear Puzzled of Wamboin
If they can feed themselves are they Dependent on their parents? If so for what?
Perahps you are using "DY" as shorthand for "BYEINSNH" or Bird Young Enough that Its Nest was Somehere NearHere? In that case I recall that in ACT Bird Atlas (which defines 'dependent' as 'fed by parents') days ability to fly was used as an operational boundary of breeding activity. Of course having seen ducklings walk for 500m and being well clear of the nest hollow before they started, a semanticist could look rather closely at the second 'N'.
Best regards
Helpful of Carwoola
On Jan 22, 2008 10:32 PM, David McDonald <> wrote:
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