birding-aus

Birding-Aus Digest, Vol 74, Issue 5

To: "" <>
Subject: Birding-Aus Digest, Vol 74, Issue 5
From: Michael Hunter <>
Date: Thu, 12 Dec 2019 09:36:55 +1100
Re Shrike-tit split.

Hi Dave,
               The split into Eastern, Western and Northern Shrike-tits has 
been mooted for decades based on distribution and colour
differences, the latter are minor but definite. 
                Why Birdlife has split them is questionable. The split makes it 
harder for twitchers, the Northern form has eluded us on many visits but is 
still on the bucket list.
               Even chromosome analysis can be open to interpretation, but have 
these be done on Shrike-tits?
              " Subspecies" is probably more appropriate, but lacks some of the 
advantages of full speciation, particularly Conservation, which probably 
doesn't apply here.

              Michael


Sent from my iPhone

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>   1. Shrike-tit split (Dave Torr)
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> Message: 1
> Date: Wed, 11 Dec 2019 14:23:10 +1100
> From: Dave Torr <>
> To: birding-aus <>
> Subject: [Birding-Aus] Shrike-tit split
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> I discovered a few days ago that BirdLife Australia have split the
> Shrike-tit in their latest list (
> http://www.birdlife.org.au/conservation/science/taxonomy) and this happened
> back in August, I have seen no reference to this on Birding-Aus so can I
> assume that most people do not use that taxonomy - the only reason I
> noticed is that I maintain birdlifephotography.org.au which uses it!
> It is not listed as a potential split for IOC, which is the list I use.
> Feedback welcomed!
> Dave
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