birding-aus

Bali swiftlet ID

To: "" <>, 'Christopher Watson' <>, "" <>
Subject: Bali swiftlet ID
From: Mick Roderick <>
Date: Fri, 28 Sep 2012 04:09:30 -0700 (PDT)
At the risk of having another response to the list delayed by 12 hours (which 
my last one took to reach), I will add this (at 9pm Friday!), which is drawing 
on my very limited knowledge of a very complex group of birds.
 
With underparts like that bird at that location it could only be a Linchi / 
Glossy (White-bellied) Swiftlet. This group is in a taxonomic flux and is 
complicated by the keeping of domesticated swiftlets for nest-harvesting) and 
the potential for cross-breeding between species where this occurs. 
 
On the taxonomy I'm used to seeing it would be Linchi Swiftlet (Collocalia 
linchi) which is endemic to that region, with splits and subspecies scattered 
round (the swiftlet found on Christmas Island is the subspecies natalis). I use 
'scattered round' as I can't keep up (is the one on Mt Kinabalu currently 
split?).
 
I personally think the images are fantastic as they show the green gloss to 
some of the upperwing feathers which is diagnostic  in picking Linchi from the 
Glossy Swiftlet (Collocalia esculenta).
 
I'm sure Mike Tarburton will set me straight on some things I have said!
 
Mick
 

________________________________
From: Bob Cook <>
To: 'Christopher Watson' <>; 
 
Sent: Friday, 28 September 2012 8:23 PM
Subject: Bali swiftlet ID
  
I would suggest Edible-nest or Black-nest Swiftlet, but it would take a much
greater expert than me to separate these two species!!

Bob Cook

-----Original Message-----
From: 
 On Behalf Of Christopher
Watson
Sent: Friday, 28 September 2012 8:00 PM
To: 
Subject: Bali swiftlet ID

G'day all,

This might be pushing my luck after already seeking assistance on that
tattler ID this morning (it's a juvenile Grey-tailed, a decent rarity for
The Alice - thanks to all respondents!), but I'm on the hunt again.

A friend has been on a trip to Bali and sent through some photos of what my
best guess suggests is one of the SE Asian swiftlets. I'm out of my depth
with these species, so if there is anyone who is a bit more comfy with
these tricky little buggers, I'd love to get your opinion.

I've stuck the pictures here;
http://comebirdwatching.blogspot.com.au/p/id-help.html

Not technically "Aus" birding, but with the winds we're getting in Alice at
the moment, I'm sure one of these is bound to blow on to our list sooner or
later.

Thanks again.

Chris Watson

-- 
*BIRDS CENTRAL*
*Central Australian birding resource*
*Guiding, writing, and site information*
*from Alice Springs*
www.comebirdwatching.blogspot.com
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