birding-aus

Swamp not Papuan Harrier (was FW: Birdpedia - Australia...)

To: "'Rohan Clarke'" <>, <>
Subject: Swamp not Papuan Harrier (was FW: Birdpedia - Australia...)
From: "Tony Russel" <>
Date: Mon, 3 Jan 2011 10:30:50 +1030
Thank you Rohan, the general consensus now seems to be the Swampie as you
suggest.  I'd also suggest that perhaps most of the field guide pics are
really Swampies too.

Tony

-----Original Message-----
From: 
 On Behalf Of Rohan Clarke
Sent: Monday, 3 January 2011 10:07 AM
To: 
Subject: Swamp not Papuan Harrier (was FW: Birdpedia -
Australia...)

Hi Peter and Tony,

It is an adult male Swamp Harrier and not an adult male Papuan Harrier 
because on current knowledge Papuan Harrier in this plumage shows all 
dark (black) unbarred outer primaries, whereas Swamp Harrier shows 
clearly barred primaries. A Papuan Harrier in this plumage I think would 
also show a cleaner white underwing with less (possibly no) brown on the 
underwing coverts, a neater and more narrow black trailing edge to the 
underwing and a darker head. Swamp Harriers that look like the bird 
photographed aren't seen that often but with more and more people 
carrying digital cameras they are being reported (and correctly 
identified) more frequently these days.

The original photo is here 
http://www.birdpedia.com/files/au/observation/Vic/jpg/7471551374_0001_0002.j
pg

Cheers,
Rohan


-- 
Rohan Clarke
www.wildlifeimages.com.au

Latest updates
http://www.pbase.com/wildlifeimages/root&view=recent



Subject:  Re: RE: [Birding-Aus] FW: Birdpedia - Australia - Notification 
of a New General Sighting Report - Members
From:  Peter Shute <>
Date:  Mon, 3 Jan 2011 03:47:00 +1100

Great photo though. Apart from the unlikelihood of Papuan Harrier, what 
makes
it a Swamp Harrier, that could be seen in the field? Speckling on the 
wings?
Throat not heavily streaked? Primaries don't have enough black on them?

P&K (ed 7) shows different amounts of black on the primaries in different
pictures of PH - all black on p 137, half black on p 143. Is that a 
mistake or
a variation?

Peter Shute


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