Hi Lawrie,
Is that extinct, or extinct in Australia?
Regards,
Chris
On Feb 7, 2008 9:00 AM, Lawrie Conole <> wrote:
> Regarding the Island Thrush (Turdus poliocephalus) in our region -
> speaking
> both politically and biogeographically, Schodde & Mason (1998) have the
> following:
>
> Norfolk Island - T. poliocephalus poliocephalus - apparently the nominate
> form - regarded as Extinct
> Lord Howe Island - T. poliocephalus vinitinctus (common name Vinous-tinted
> Thrush) - regarded as Extinct
> Christmas Island (Indian Ocean) - T. poliocephalus erythropleurus -
> regarded
> as 'Lower Risk - near threatened'
>
> Given that this bird is splattered near and far across oceanic and
> contintental islands in the Indian and Pacific Oceans, and varies
> spectacularly in appearance throughout, it doesn't seem very likely that
> an
> exact replacement for the bird could be found for re-introduction to Lord
> Howe. The form in New Caledonia was probably the closest useful source,
> but
> it is probably extinct as well. Maybe a candidate from the Solomons might
> work - let it settle in and evolve into whatever kind of Island Thrush
> Lord
> Howe can generate. Many Island Thrush populations look for all the world
> like Eurasian Blackbirds - the end result might be aesthetically
> disappointing, even if ecologically functional.
>
> L.
>
===============================
www.birding-aus.org
birding-aus.blogspot.com
To unsubscribe from this mailing list,
send the message:
unsubscribe
(in the body of the message, with no Subject line)
to:
===============================
|
