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Potential WP seabird splits

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Old Saturday 12th June 2010, 10:48   #1
Richard Klim
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Potential WP seabird splits

Callahan 2010. Taxonomy: Seabird splits. Birdwatch 217: 25-27.

In a third article on Western Palearctic splits, David Callahan outlines recent and potential splits of seabird species:
  • Pterodroma [mollis] madeira
  • Pterodroma [mollis] (feae) feae
  • Pterodroma [mollis] (feae) deserta
  • Calonectris [diomedea] borealis
  • Calonectris [diomedea] edwardsii
  • Puffinus [assimilis] baroli
  • Puffinus [assimilis] boydi
  • Hydrobates (pelagicus) melitensis
  • Oceanodroma (castro) ssp ('Grant's')
  • Oceanodroma (castro) jabejabe
  • Oceanodroma (castro) monteiroi
  • Phalacrocorax (carbo) lucidus
  • Phalacrocorax (aristotelis) desmarestii
  • Larus (michahellis) atlantis
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Old Saturday 12th June 2010, 18:51   #2
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IOC already recognizes a good chunk of these, doesn't it?

I rather like the taxonomy in flux treatment of Storm Petrels...normally I am a splitter but I really don't want to see every season and island have it's own species of Storm Petrel.
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Old Saturday 12th June 2010, 19:14   #3
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Wait for it Mysticete. Sooner or later storm-petrel splitters will also resplit all of the great albatrosses (already carved up once) to acknowledge that only half the population on a given island breeds during the course of one year. When I was at school that was known as resource-partitioning. Broadly the same principle applied to storm-petrels is now called speciation.

My tongue might be somewhere near my cheek, but not entirely in.

The splitters will tell us that these storm-petrels vocalise differently, but as the existence of dialects is well known in several tubenoses (e.g. Manx Shearwater), where does that leave us?
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Old Saturday 12th June 2010, 19:52   #4
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Quote:
Originally Posted by Mysticete View Post
I rather like the taxonomy in flux treatment of Storm Petrels...normally I am a splitter but I really don't want to see every season and island have it's own species of Storm Petrel.
Morgan, maybe you'll soon be able to give us an opinion on Oceanodroma (castro) 'kumagae'. [Just don't spend too much of your time in Japan on mammals and herps (or fossils...).]

Richard

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Old Sunday 13th June 2010, 00:37   #5
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Don't worry, I am already planning trips to Miyakijima, Ogasawara, Okinawa, Amami and Hokkaido over the course of the summer :P

Although I had enough problems with the nominate Band-rumped last month that I would put too much hope on me sucessfully getting on the Pacific form :P
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Old Sunday 13th June 2010, 07:27   #6
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Don't worry, I am already planning trips to Miyakijima, Ogasawara, Okinawa, Amami and Hokkaido over the course of the summer :P
Now you're making me really envious. Enjoy...

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Old Monday 7th March 2011, 16:31   #7
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Quote:
Originally Posted by Richard Klim View Post
Callahan 2010. Taxonomy: Seabird splits. Birdwatch 217: 25-27.
In a third article on Western Palearctic splits, David Callahan outlines recent and potential splits of seabird species.
Article now posted on the Birdwatch website:
http://www.birdwatch.co.uk/categorie...c=120&item=736
http://www.birdwatch.co.uk/categorie...c=120&item=737

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Old Monday 7th March 2011, 16:41   #8
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Blimey, before long all land-based seawatching records will just consist of shearwater/petrel sp....!
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Old Tuesday 8th March 2011, 19:18   #9
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Originally Posted by birdboybowley View Post
Blimey, before long all land-based seawatching records will just consist of shearwater/petrel sp....!
This paper makes some interesting points about the potential problems of using the PSC to split species.....
https://www.cdu.edu.au/ser/documents...efinitions.pdf
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Old Tuesday 8th March 2011, 19:57   #10
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But, does the paper by Callahan necessarily depend on PSC? If it did, then I overlooked something.

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Old Tuesday 8th March 2011, 20:15   #11
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But, does the paper by Callahan necessarily depend on PSC? If it did, then I overlooked something.

Niels
I didn't say it did. I was responding to birdboys comment re perceived field identification problems from the increasing splits of seabirds with a reference to a general paper about the potential problems of splits (that includes reference to seabirds!)

Last edited by mjh73 : Tuesday 8th March 2011 at 20:17. Reason: misse a word out
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Old Tuesday 8th March 2011, 23:38   #12
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Most of the Storm petrel splits are actually BSC. In fact, I think the genetic data doesn't really support PSC splits of many gulls petrels.
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