Tom
Surely an 8 month period is far too short to start thinking about
"extinction" ? That isn't even a breeding season.
Perhaps they've found better feed somewhere else and will be back in a
little while?
Martin
Martin Butterfield
http://franmart.blogspot.com.au/
On 6 August 2017 at 15:24, Tom Wilson <> wrote:
> Hi All
> Through a referral from Kurtis Lindsay as an eBird and Birdline moderator,
> I was recently approached by a conservation officer from Ku-Ring-Gai
> Council with disturbing news that the last reported sighting of a Gang-gang
> Cockatoo in the Lane Cove Valley (northern Sydney) was in December 2016.
> It has been surmised that they are (sadly) locally extinct in the valley.
> Unfortunately, I had no more recent records that would prove this to be
> incorrect (my last record was mid-2016 near Blackbutt Avenue in Pennant
> Hills).
> If you have more recent evidence (ie after December 2016) that would help
> show that this is not the case, please can you forward as much detail as
> possible to me. I will collate and forward all information to the council
> officer. Ideally, please can you provide as much of the following
> information as you can:
> - Date and Time;
> - Exact location in the Lane Cove Valley;
> - Number and Mix of Birds (ie Male/Female/Young);
> - Sighted or Heard Only;
> - Activity Observed (including species of tree being used if feeding); and
> - Any Other Relevant Comments.
> You can forward your information to me at the above email. Let’s hope we
> can prove that they are still about.
> Cheers
> Tom Wilson
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