Hi all,
In a recent posting I made the statement:
"I am also wondering if there really is two sub-species or are there simply
'clines' in the Sooty Oyc species similar to that with the Varied Sittella?
If there are two sub-species and they interbreed in the 'border zone', how
do we label the offspring?"
There is no 'cline' in the Sittella species. What I was thinking about
(without bothering to check my facts) was that when I started into
birdwatching there was a whole bunch of species of Sittella recognised in
Australia. Subsequently those species have been lumped into one species with
a number of sub-species.
Hey, no one picked me up on that! I am quite
disappointed..........................not!
I am still wondering if the variations in the appearances of the Sooty
Oystercatchers around Australia is a cline and not related to races.
Cheers
Bob Inglis
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www.birding-aus.org
birding-aus.blogspot.com
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