O.K. Here we go: On the 27th July 2008 I saw a female Pacific Black Duck x
Mallard hybrid with 9 downy chicks (i.e. F2 generation; don't know who the
father was though) at Warriewood. I hope that we have photos.
Nikolas
A/Prof Nikolas Haass | Head, Experimental Melanoma Therapy Group
The University of Queensland Diamantina Institute
Level 6 | Translational Research Institute | 37 Kent Street |
Woolloongabba QLD 4102
T: +61 (0)7 3443 7087 | M: +61 (0)424 603 579
F: +61 (0)7 3443 6966
E: | W: www.di.uq.edu.au <http://www.di.uq.edu.au/>
<http://www.di.uq.edu.au/>
...Turning scientific discoveries into better treatments…
CRICOS Code 00025B
This email is intended solely for the addressee. It may contain private or
confidential information. If you are not the intended addressee, you must
take no action based on it, nor show a copy to anyone. Kindly notify the
sender by reply email. Opinions and information in this email which do not
relate to the official business of The University of Queensland shall be
understood as neither given nor endorsed by the University
On 4/07/14 2:22 PM, "Nikolas Haass" <> wrote:
>Hi Peter & Mike,
>
>That's interesting. I am pretty sure that I had 'classic' Pacific Black
>Duck x Mallard hybrids at Warriewood (Sydney) a few years ago. Will check
>if I have documentation.
>
>Best wishes,
>
>Nikolas
>
>
>
>A/Prof Nikolas Haass | Head, Experimental Melanoma Therapy Group
>
>The University of Queensland Diamantina Institute
>Level 6 | Translational Research Institute | 37 Kent Street |
>Woolloongabba QLD 4102
>
>T: +61 (0)7 3443 7087 | M: +61 (0)424 603 579
>F: +61 (0)7 3443 6966
>E: | W: www.di.uq.edu.au <http://www.di.uq.edu.au/>
>
> <http://www.di.uq.edu.au/>
>...Turning scientific discoveries into better treatments…
>
>CRICOS Code 00025B
>
>This email is intended solely for the addressee. It may contain private or
>confidential information. If you are not the intended addressee, you must
>take no action based on it, nor show a copy to anyone. Kindly notify the
>sender by reply email. Opinions and information in this email which do not
>relate to the official business of The University of Queensland shall be
>understood as neither given nor endorsed by the University
>
>
>
>
>
>
>On 4/07/14 1:03 PM, "Peter Menkhorst" <> wrote:
>
>>Hello all
>>I think we need to be careful in assuming that orange legs and feet on
>>Pacific Black Ducks indicate hybridisation with Mallards. Brighter orange
>>legs is an indication of breeding condition in Black Ducks so we need to
>>consider other morphological indicators of hybridisation such as:
>>
>> ♂ has curled central tail feathers and variable white feathers in tail,
>>reduced facial stripes, warmer tones to breast feathers, the suggestion
>>of a
>>pale collar (not white) and orange-yellow legs and feet. ♀ resembles an
>>abnormally dark ♀ mallard with orange-yellow legs and feet.
>>
>>As Mike says, feral Mallards are very rare in Australia and confirmed
>>hybrids are almost unknown, in contrast to New Zealand where
>>hybridisation
>>is of real concern.
>>
>>Peter Menkhorst
>>
>>-----Original Message-----
>>From: Mike Carter
>>Sent: Friday, 4 July 2014 12:30 PM
>>To: Nikolas Haass; Jim Tate; Kev Lobotomi; Russell Woodford;
>>
>>Cc: Peter Menkhorst
>>Subject: Re: [Birding-Aus] Duck
>>
>>A rather late entry to this debate. I have no doubt that Russell's bird
>>was
>>of feral origin, a hybrid farm-yard type duck.
>>
>>But the increasing occurrence of bright orange feet in otherwise
>>'perfect'
>>Pacific Black Ducks south-east of Melbourne is surprising, difficult to
>>explain and perhaps of some concern. Not so long ago I would count an
>>orange-footed bird as a Shoveler but can no longer rely on that as an ID
>>feature as more Black Ducks now show it. Surprising because Pacific Black
>>Ducks are abundant, Mallard are extremely rare and the larger free flying
>>farm-yard ducks very uncommon. As an illustration I took the attached
>>shot
>>showing Black Duck with orange feet on one of our recent surveys on a
>>wetland SE of Melbourne. I realise that some individuals have brighter
>>feet
>>than others but it seems to me that the brightness and frequency of
>>orange
>>feet in Black Ducks is increasing.
>>
>>Mike Carter
>>30 Canadian Bay Road
>>Mount Eliza VIC 3930
>>Tel (03) 9787 7136
>>
>>
|
