Hello David,
 According to Barrie Heather's Field Guide to NZ birds the NZ 
sub-species of the Pied Oystercatche,r Heamatopus ostralegus is h 
finschi, which we call the South Island Pied Oystercatcher.  So almost 
every bird you see should be an SPIO.
Peter
On Wednesday, March 14, 2007, at 08:21 PM, David Stowe wrote:
 I was wondering if someone could post some points for us amateurs to 
help ID a South Island Pied Oystercatcher compared to a "normal" Pied 
Oystercatcher?? I take it from Murray's posting that they have more 
white under the wings??
I'm going to New Zealand later in the year so i will hopefully have 
first hand experience then.
 I went down to Kurnell today but only Oystercatchers i saw were 
Sooty's at Boat Harbour. (Sydney)
There was a Kelp Gull there too which was cool. I don't think this is 
a rare sighting here though.
I managed to see an Albatross a long way out too but really no idea of 
species. Seemed to have dark wings both top and bottom but i must be 
wrong as i can't find anything like it in the field guide. Oh well - 
another one that got away!
Cheers,
David Stowe
 "Steve says: "I spent a long time looking at it, both with my scope 
and binoculars. When it flew, I clearly saw that it had an almost 
completely white underwing; the white seemed to extend almost to the 
edge of the wing, where it turned greyish - there simply wasn't a 
black frame around the white part."  He didn't get a view of the back 
unfortunately.
 I have raised the possibility of juvenile Pied Oystercatcher with 
Steve - see the plate in HANZAB which shows more white under the wing. 
 He hasn't had a chance to have a look at that plate yet, but at the 
moment his view has not changed, that the bird was a SIPO."
Let me know if anyone manages to locate the bird.
Murray
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