birding-aus

Southern Emu-wren prey item i.d.?

To: Philip Griffin <>
Subject: Southern Emu-wren prey item i.d.?
From: Allan Richardson <>
Date: Sun, 8 Jan 2012 08:41:46 +1100
Hi Phil,

Looks like the back end of a grasshopper to me. It looks like one of the 
slender species, the gaping section at the end representing the reproductive 
parts, the flap section closer to the birds bill, the small growing wings 
suggesting the animal was at one of the nymph stages of growth. Most birds eat 
prey items very close to where they've caught them unless they they are a 
species that has a favoured anvil (e.g. Pittas) or butchering site (e.g. 
Butcherbirds) to deal with their prey. When a bird carries a food item any 
distance it usually indicates the feeding of a mate or chicks. In this case, 
I'd suggest that the Emu-wren is feeding chicks and is on the way to their 
location. As such, the absence of legs is no real issue, since parent birds 
often prepare prey items for chicks by taking the legs off insects like 
grasshoppers or the wings off moth species.

Kind Regards

Allan Richardson
Morisset, NSW
 
On 08/01/2012, at 5:00 AM, Philip Griffin wrote:

> Greetings,
> 
> Whilst at Cheynes Beach (SW WA) recently a friend and I took some photos
> of a male Southern Emu-wren on top of a bush.
> Subsequent examination of his photos show some sort of food
> in the bill.
> 
> I've uploaded one of his photos to
> 
> http://tinyurl.com/emu-wren
> 
> in case anyone here has an idea what the prey item might be.
> I think I've ruled out Aardvark and Tapir so far, but could perhaps
> be persuaded otherwise...
> 
> Many thanks
> 
> Philip
> 
> 
> 
> Philip Griffin
> philipgriffin at gmail dot com
> Auckland, New Zealand
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