Hugo Phillipps wrote:
>
> With regard to the migratory waders or shorebirds, and further to Tony
> Crocker's response; there are examples of migratory species splitting
> into
> migratory and non-migratory forms. One of the more obvious ones in
> Australia is the Red-capped Plover splitting off from Kentish Plover
> stock.
Another (presumably somewhat older) split is Inland Dotterel
> from Eurasian Dotterel. It seems to have happened around the world more with
> the plovers than the sandpipers - maybe because of less specialised feeding
> methods and equipment in the former. However, see the scattered
> distribution of isolated taxa of woodcocks and NZ snipe in the Asian
> and
> Australasian regions - and the Prosobonia sandpipers of the Pacific.
> Did
> these derive from populations of migratory ancestors in which some
> individuals stopped migrating?
>
> Cheers,
> Hugo
>
Hi Hugo,
Very interested to see that our Inland Dotterel may be an offshoot of
Palaearctic 'true' Dotterel. Where can we find out more about this
topic? Can you summarize because Sibley & Co's works aren't usually
available for loan in libraries, if one can find them.
Anthea Fleming
Birding-Aus is on the Web at
www.shc.melb.catholic.edu.au/home/birding/index.html
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