Hi Mark,
Sibirian Common Tern (longipennis) is the typical Common Tern in Australia, the
nominate subspecies (hirundo) is a vagrant here. I am not sure about the status
of the Asian subspecies minussenis. So, most likely all Common Terns you have
seen before in Australia were Sibirian Common Terns.
Cheers,
Nikolas
----------------
Nikolas Haass
Sydney, NSW
________________________________
From: Mark and Amanda Young <>
To: 'Nikolas Haass' <>; ;
Sent: Monday, November 26, 2012 8:18 PM
Subject: RE: [Birding-Aus] Unknown Tern @ Eastlakes Golf Course
Thanks Nickolas, I’ve not seen a Siberian one before.
Regards,
Mark
From:Nikolas Haass
Sent: Monday, 26 November 2012 7:37 PM
To: Mark and Amanda Young; ;
Subject: Re: [Birding-Aus] Unknown Tern @ Eastlakes Golf Course
Hi Mark,
Yes, Siberian Common Tern. Longish, slender, slightly drooping black bill. Dark
triangles on the upper primaries (not quite as nice as the classic 'wedges' in
nominate Common Tern). Broad and diffuse trailing edge to the under primaries.
Not really translucent secondaries (although the shot from underneath against
the light may trick here). Greyish outer rectrices. All fits well for Siberian
Common Tern. The not so prominent dark carpal bars may indicate first
summer/second winter?
Cheers,
Nikolas
----------------
Nikolas Haass
Sydney, NSW
________________________________
From:Mark and Amanda Young <>
To: 'Nikolas Haass' <>; ;
Sent: Monday, November 26, 2012 7:19 PM
Subject: RE: [Birding-Aus] Unknown Tern @ Eastlakes Golf Course
Thanks Alan and Nikolas for the reply. I’m glad you both thought Common,
because that’s where my thoughts were going too. But I don’t know enough of
these birds to be confident of an ID.
I hope these next 2 photos help.
This was taken around the same time as the first one. http://bit.ly/S6PCCg
This one was taken about an hour later. Unfortunately I’m aiming in the
direction of the sun. I can’t say for sure it’s the same bird, but I assume it
was because I didn’t see another Tern when I was there. http://bit.ly/TopMvI
Regards,
Mark
From:Nikolas Haass
Sent: Monday, 26 November 2012 9:15 AM
To: Mark and Amanda Young; ;
Subject: Re: [Birding-Aus] Unknown Tern @ Eastlakes Golf Course
Hi Mark,
Looks like a longipennis Common Tern to me. Do you have more photos? Including
the upperparts?
Cheers,
Nikolas
----------------
Nikolas Haass
Sydney, NSW
________________________________
From:Mark and Amanda Young <>
To: ;
Sent: Sunday, November 25, 2012 9:47 PM
Subject: Re: [Birding-Aus] Unknown Tern @ Eastlakes Golf Course
G'day everyone
I'm having a bit of trouble trying to properly ID a Tern I saw last Monday.
I've had a look n HANZAB, but I can't reconcile it to any of the commic
terns. I'm quite stumped with this one, so any help would be much
appreciated.
Link: http://bit.ly/V5B61S
Regards,
Mark
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