Hi,
Sorry about my error in terminology: not inner secondaries but of course
tertials.
But for me they appear ribbed as in corrugated or waved, not just as a
color pattern. And I'm quite sure that was what Jack was also referring to.
Is it so or is it just an illusion?
Cheers,
-Harry
pe 7. syyskuuta 2018 klo 2.17 Philip Veerman <>
kirjoitti:
> I wonder what aspect you are referring to as "ribbed" I see them as barred.
> Barred feathers are entirely normal in a whole range of birds, many
> raptors,
> waders, black-cockatoos, cuckoos, etc. Maybe Jack was referring to the
> shape
> and Harry referring to the pattern, or both. I am not sure.
>
> Philip
>
> -----Original Message-----
> From: Birding-Aus On Behalf
> Of
> Harry Nyström
> Sent: Thursday, 6 September, 2018 6:47 PM
> To: Birding-Aus
> Subject: Re: [Birding-Aus] Two "ladders
>
> Hi,
>
> Those are the innermost secondaries.
>
> But maybe someone else could know or have an educated guess on why they are
> ribbed?
>
> Cheers,
> -Harry
>
> to 6. syysk. 2018 klo 11.17 kirjoitti:
>
> > Hi
> >
> >
> >
> > Just looking at an image of an Australasian Darter (male, breeding I
> guess)
> > photographed a couple of weeks ago in the Botanical Gardens in Cairns.
> > Photographed from behind with wings drying. Can any ornithologist tell me
> > what the two "ladder-like" feathers are next to its body? I cannot find
> the
> > answer anywhere.
> >
> >
> >
> > Thanks in advance
> >
> >
> >
> > David in Blackheath
>
>
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