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Stork, Saddle-billed

Identify and index birds in Southern Africa
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Crested Barbet
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Re: Stork, Saddle-billed

Unread post by Crested Barbet » Sun Oct 18, 2009 6:14 pm

Once upon a time in KNP.

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Re: Stork, Saddle-billed

Unread post by Flutterby » Tue Oct 27, 2009 10:20 am

Can someone please tell me what that pink hole on the chest is? My book doesn't mention it.

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Oct. 2009 near the Orpen Rocks
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Saddle-Billed Stork

Unread post by Bird Guide » Thu Jan 14, 2010 4:03 pm

Good Day to all of you!!!!!

I am a Bird Guide opperating in Kruger National Park & I witnessed a very rare sighting of a Saddle-Billed Stork in Kruger National Park between the s118 & s119 entrances on the s114 I forwarded the images to the EWT & Birdlife. We dont know if it is a male or a female the reason is that the bird has yellow wattles & yellow eyes now in my experience the male has brown (Dark) eyes & yellow wattles & the female only yellow eyes & no wattles. Anyway the images I sent in were forwarded to Dr Alan Kemp & here is his answer

Hi Stefan

Kyk weer mooi na jou fotos, hoe identifiseer ons mannetjie en wyfie saalbekke?

Volgens meeste Bird Guides het die wyfies geel om die oog, en die mannetjies het 'n donker oog met klein geel "wattles"by die basis van die bek.
Jou fotos het beide geel ogies en "wattles". Dis die tweede bydrae wat ek uit hierdie spesifieke plek kry waar hierdie "Mrs Balls" soos ek dit nou noem afgeneem is.

Ons het al dit na Dr Alan Kemp gestuur om te verduidelik, en hier is sy antwoord vir jou inligting.


Have no idea how to interpret Mrs Balls with his/her yellow eyes AND yellow wattles. Have never seen or heard of anything like that in this species, or any other storks, but that may be my ignorance rather than total lack of information. A quick Google search indicates that intersex is regular in all groups of vertebrates (a 1974 book on the subject even), with two main causes, one genetic and the other environmental.

What is interesting, from the Caster Semenya story, is that Limpopo Province has the highest incidence of intersex people in RSA, and one of the highest in the world, and there are doctors studying this and suspecting the DDT still used to spray round homes for malaria as the cause. Google indicates that several pesticides/chemicals, including DDT, either mimic oestrogens (main female hormones) or despress androgens (main male hormones) and so cause hormonal imbalances during development that can result in various effects, including development of both ovaries and testes. Maybe river/fish quality will indicate if there are any pollutants of these kinds there for concern to the storks - there is probably good river data given the croc problems, and Andrew Deacon may be able to help. Just ideas, but may help in how to proceed, and as always more cases/data will be great.

Am also forwarding you a second email, with images of two subadult SBS taken just above the high level bridge over the Sabie below Skukuza. This age class was very rare in our early 90s project, so may be of interest. All the adult birds we saw were too far away for useful images.

Ons weet eintlik baie min van hierdie spesie en het op hierdie stadium meer vrae as antwoorde. Ek hou jou op hoogte as jy belang stel. :D :huh:

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Bush Baptist
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Re: Saddle-Billed Stork

Unread post by Bush Baptist » Thu Jan 14, 2010 4:17 pm

Welcome to the forum Bird Guide.

:hmz: Interesting theories. Thnks for the info.

btw, international viewers, the Afrikaans has been mostly translated. It ends with 'we know just about squat about this species, and have more questions than answers. Watch this space'
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Re: Stork, Saddle-billed

Unread post by Lizet Grobbelaar » Thu Jan 14, 2010 6:27 pm

Thanks for sharing Bird Guide! Very interesting indeed...

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Re: Stork, Saddle-billed

Unread post by xenokal » Tue Jan 19, 2010 11:27 pm

I was fortunate enough to view 3 separate birds on my trip to the KNP in December. I was only able to take a photograph of two of them as the other one was too far.

We saw the two storks in the photos on the S126 about 3km from the t-junction to the S36. It was very wet and allot of water everywhere so they were on the side of the road. I was not able to get both sides of the birds.

We saw another stork on the H7 about 6-8km from Orpen in the Talamati riverbed on the same day.

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Last edited by xenokal on Tue Jan 19, 2010 11:34 pm, edited 1 time in total.
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Dotty
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Re: Stork, Saddle-billed

Unread post by Dotty » Tue Jan 19, 2010 11:34 pm

Lovely photos :clap: xenokal :wink:
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Re: Stork, Saddle-billed

Unread post by xenokal » Wed Jan 20, 2010 9:44 am

Thanks Dotty...

You will not believe that 2km after the t-junction to the s36 on our way to Orpen we came across around 22 Wild Dogs being given the run around by some angry Zebra. We were very lucky that day!
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Dotty
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Re: Stork, Saddle-billed

Unread post by Dotty » Wed Jan 20, 2010 1:10 pm

:clap: :clap: did you get some good pics of them ???
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Re: Stork, Saddle-billed

Unread post by xenokal » Wed Jan 20, 2010 2:04 pm

Yeah we did, I am unfortunately at work so I will post them up when I get home...
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Dotty
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Re: Stork, Saddle-billed

Unread post by Dotty » Wed Jan 20, 2010 2:06 pm

:thumbs_up:
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louis dreyer
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Re: Stork, Saddle-billed

Unread post by louis dreyer » Wed Jan 20, 2010 2:53 pm

This one we found on the phalaborwa road to mopani during December 2009
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Re: Stork, Saddle-billed

Unread post by xenokal » Wed Jan 20, 2010 10:32 pm

Dotty I put the wild dog post and photo's in the Mammals topic here - http://www.sanparks.org/forums/viewtopic.php?f=21&t=1530&start=690
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Saddle-billed Stork with yellow eyes and wattles

Unread post by Senyetse » Tue Feb 02, 2010 4:26 pm

On the West Rand Honorary Rangers' KNP Birding weekend at Berg-en-Dal three seperate trucks saw on separate occasions a saddlebilled stork with yellow eyes and yellow wattles at the base of the bill - according to the books the female has yellow eyes and no wattles whereas the male has brown eyes with wattles. We had to record whether male/female for the EWT survey. Anyone ever seen this before?
Dec '11 - Storms River
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Re: Saddle-billed Stork with yellow eyes and wattles

Unread post by JoelR » Tue Feb 02, 2010 4:50 pm

Hi Senyetse. This bird has been reported before and was dubbed Mrs. Balls. :shock: There's an interesting theory involving storks, Caster Semenya and DDT. Read here.


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