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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Spotted Dec 30 in Port Macquarie, NSW, Australia (1 Viewer)

Loutsy

Well-known member
Hi - Can anyone help in determining if this bird is a Horsefly's Bronze-Cuckoo or a Shining Bronze-Cuckoo? Thanks in advance for any help!
 

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Horsfields- broadly spaced bars, dark stripe behind eye, rather browny upperparts

That eye stripe doesn't fit with Horsefield in Menkhorst? In that book it's much more solid, this birds seems to fit plagosus Shining to me in that regard?

Is the bill notieceably smaller in Shining in the field, it seems to be illustatrated as such and again seems a fit for Shining?

A
 
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Immature Horsfield's Bronze-cuckoo for me - eye stripe is less distinct than an adult bird, but more distinct than any shining I've ever seen.

Andy, bill length is not a fieldmark as far as I am aware. They may be drawn with a slightly smaller bill in the Aus. Bird Guide, but Payne's OUP Cuckoos book has the bill lengths pretty much the same, if anything on average a tad longer in the shining B.C. data.
 
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Immature Horsfield's Bronze-cuckoo for me - eye stripe is less distinct than an adult bird, but more distinct than any shining I've ever seen.

Andy, bill length is not a fieldmark as far as I am aware. They may be drawn with a slightly smaller bill in the Aus. Bird Guide, but Payne's OUP Cuckoos book has the bill lengths pretty much the same, if anything on average a tad longer in the shining B.C. data.

Many thanks


A
 
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