Talking of hybrids I spotted a rather intriguing looking Pied Hron at the
Leanyer sewage ponds six weeks ago. I've a photo if anyone is interested
in having a look.
Denise
on 2/1/11 11:58 AM, Burgoyne, Robertat
wrote:
>
> I reported / questioned hybridisation of Long-billed and Little at the Alice
> Springs Ponds a couple of yars ago (Long-billed escapees in mixed flocks with
> Little). Glad to see I asn't going mad!
>
> Rob Burgoyne
> RO Birds Aust
> Southern NT
>
> -----Orignal Message-----
> From:
> On Behalf Of
>
> Sent: Sunday, January 02, 2011 12:21 AM
> To:
> Subject: birding-aus Digest, Vol 58, Issue 2
>
> Send birding-aus mailing list submissions to
>
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://lists.vicnet.net.au/mailman/listinfo/birding-aus
> or, via email, send a message with subject or body 'help' to
>
>
> You can reach the person managing the list at
>
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of birding-aus digest..."
>
>
> Today's Topics:
>
> 1. Re Badleys reserve (Jill & Sue)
> 2. Hybridisation - Long-billed Corella / Little Corella ???
> (Brian and Meg)
> 3. Re: The Future of Birding Technology? (Peter Shute)
> 4. Re: VicTwitch 2010 - Last gasp (Peter Shute)
> 5. Re: Darwin Area Trip Report 26-30th Dec 2010 (Denise Goodfellow)
> 6. Darwin Area Trip Report 26-30th Dec 2010 (Mark Stanley)
> 7. Bush Stone Curlew Camera (Tom Sjolund)
> 8. WA Twitchathon 2010 - Final Results (John Graff)
> 9. Birding in Uganda (Richard Jordan)
> 10. Re: Birding tips for US visit, (Helen Larson)
> 11. Re: Bush Stone Curlew Camera (Keith Brandwood)
> 12. Re: The Future of Birding Technology? (Dave Torr)
> 13. Re: The Future of Birding Technology? (Carl Clifford)
> 14. birding northern Victoria (moses moutin)
> 15. First 2011 bird in Troms? (Vader Willem Jan Marinus)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 1 Jan 2011 12:08:21 +1100
> From: "Jill & Sue" <>
> Subject: [Birding-Aus] Re Badleys reserve
> To: <>
> Message-ID: <>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Have looked at Google Maps and UBD and found Bradleys Reserve off the complex
> of streets accessed from the southern part of Fox Valley Rd not Kissing Point
> Rd. Is this the location or is it a differently named park/reserve off
> Kissing Point? We're keen to see the Gang-gangs
>
> Jill Rossiter & Sue Casson
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sat, 1 Jan 2011 10:47:48 +1000
> From: "Brian and Meg" <>
> Subject: [Birding-Aus] Hybridisation - Long-billed Corella / Little
> Corella ???
> To: <>
> Message-ID: <>
> Content-Type: text/plain; charset="Windows-1252"
>
> Happy New Year to everyone. Two days ago, we noticed a group of corellas on a
> bird-feeder at a friends' house in Samford, Q. At least 3 were definite
> Long-bills while most were LC's. However, about 5 seemed to be a mixture of
> the two - with beak length intermediate, more pink between eye & bill and
> throat pink patchy & sparse - the jizz just didn't seem to fit. Could this be
> possible & if so, is it common???
> Brian & Meg Johnson
>
> ------------------------------
>
> Message: 3
> Date: Sat, 1 Jan 2011 12:56:25 +1100
> From: Peter Shute <>
> Subject: Re: [Birding-Aus] The Future of Birding Technology?
> To: "" <>,
> "" <>
> Message-ID: <>
> Content-Type: text/plain; charset="utf-8"
>
> I think the task of automatic identification of birds is far harder than the
> examples of number plate recognition and eye scanning.
>
> In those cases the subjects are all arranged facing the same way, and are of
> similar size. They'd have a poor success rate if the subjects were all
> different sizes, shapes and colours, facing any old direction, hiding in the
> undergrowth, etc. Compare the problem to what happens to a camera's face
> recognition focusing when the subjects turn sideways.
>
> Rather than identifying species I'd be pretty happy for now if my camera could
> at least work out which part of the scene was a bird, and focus on it.
>
> I assume the subject is tongue in cheek, but it's interesting that the
> incident that inspired it was one where his "fuddy duddy" id skills gave him
> the wrong answer (identifying a raptor from of photo).
>
> He complained that in the field the bird would be moving, giving him more
> clues. Perhaps that's the real lesson from his article. If one feels one needs
> to see the bird's flight style to identify it, why try from a photo?
>
> Peter Shute
>
>
> --------------------------
> Sent using BlackBerry
>
|
