Nick
So those who ticked the House Crow in Sydney are wrong, don't be so
pedantic.
Greg Little
-----Original Message-----
From:
On Behalf Of Nikolas Haass
Sent: Tuesday, 26 October 2010 2:13 PM
To: jenny spry; birding-aus
Subject: NSW Ostriches
Hi all,
If you want to count introduced species (which in my personal opinion
doesn't
really make sense), shouldn't you at least apply the "three generation rule"
(=
3
proven self-sustaining generations)? For long-lived birds like Ostrich, this
means approximately 30-48 years of proven self-sustaining population. Thus,
the
NSW Ostriches need another 10-28 years to become "tickable".
Cheers,
Nikolas
----------------
Nikolas Haass
Sydney, NSW
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