Hi Greg & Steve,
I agree - a dark morph WBCS for mine...
Cheers,
Martin Cachard
Cairns
> From:
> To: ;
> Date: Mon, 17 Jun 2013 17:36:41 +1000
> Subject: Re: [Birding-Aus] Strange Cuckoo-shrike
>
> Hi Steve,
>
> I have seen dark morph White-bellied Cuckoo-shrikes with many variations on
> the black throat/head markings. I have seen ones like the one in your photo
> that has similar black areas to to Black-faced Cuckoo-shrike. Birds like
> this usually have some black blotching below the black bib, unlike the BFCS.
> This area is not visible in your photo. I don't know whether they hybridise
> or not but I suspect that it is just natural variation in the WBCS. If the
> bird was smaller than a BFCS then it is not a young BFCS. Did it call? The
> heavy black marking on the lores of the bird in your photo only reaches the
> eye like a 'normal' morph WBCS.
>
> I would say a dark morph WBCS.
>
> Regards
> Greg
> Dr Greg. P. Clancy
> Ecologist and Birding-wildlife Guide
> | PO Box 63 Coutts Crossing NSW 2460
> | 02 6649 3153 | 0429 601 960
> http://www.gregclancyecologistguide.com
>
> -----Original Message-----
> From: Stephen Murray
> Sent: Monday, June 17, 2013 5:21 PM
> To: 'Birding-Aus'
> Subject: [Birding-Aus] Strange Cuckoo-shrike
>
> Hello all.
>
>
>
> This morning I was at Sheepstation Creek Conservation Park near Caboolture
> in Queensland. Both White-bellied and Black-faced Cuckoo-shrikes are common
> here, and they are normally fairly easy to distinguish. One bird, however,
> had me puzzled. At first I thought it was a regulation BFCS, but on closer
> inspection it was more the size of a WBCS, has light half eye-ring (a
> feature of WBCS), and, even though it has a darker area the shape of that of
> a BFCS, if you look closely you can see a slightly darker facial mask area.
> The bill looks too small for BFCS. Now, I realise there are dark morphs of
> WBCS (which I've never seen), but I have only ever seen photos of birds with
> a totally dark head. So, I have three questions:
>
>
>
> 1. Do dark morph WBCS have gradations, or are they either all or
> nothing?
>
> 2. Do BFCS hybridise with WBCS?
>
> 3. Have I been duped by a juvenile?
>
>
>
> A rather ordinary photo is here: http://www.pbase.com/image/150836159
>
>
>
> Cheers Steve Murray
>
>
>
>
>
>
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