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Zebra

Find, identify and discuss the animals of all the SANParks
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Elsa
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Re: Zebra

Unread post by Elsa » Sat Jul 17, 2010 8:34 am

Thanks Imberbe, :thumbs_up:
that is fascinating, always called the Kruger ones Burchell's, now it seems that is incorrect.
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Re: Zebra

Unread post by Richprins » Tue Jul 20, 2010 9:04 pm

I don't know if we're talking subspecies or species here...

The Mountain zebra are therefore divided into two subspecies, the SA and Namibia ones!

But still a seperate species! (Although interbreedable etc. with plains zebra)

In East Africa you also have the Grevy's zebra, a seperate species at the moment!?

The others have always been the same species...with numerous subspecies as fashion has dictated...there is also a Chapman's zebra from East Africa in the mix...

So the quagga may be a subspecies...depending on who makes the rules!

Richprins

Re: Zebra

Unread post by Richprins » Wed Jul 21, 2010 6:59 pm

Here's Wiki!

(And I only peeked now! :lol: )

Classification

There are three extant species. Collectively, two of the species have 8 subspecies (7 extant). Zebra populations are diverse, and the relationships between and the taxonomic status of several of the subspecies are not well known.

Genus: Equus
Subgenus: Hippotigris
Plains Zebra, Equus quagga
Quagga, Equus quagga quagga (extinct)
Burchell's zebra, Equus quagga burchellii (includes Damara Zebra)
Grant's zebra, Equus quagga boehmi
Selous' zebra, Equus quagga borensis
Chapman's zebra, Equus quagga chapmani
Crawshay's zebra, Equus quagga crawshayi
Mountain zebra, Equus zebra
Cape mountain zebra, Equus zebra zebra
Hartmann's mountain zebra, Equus zebra hartmannae
Subgenus: Dolichohippus
Grévy's Zebra, Equus grevyi

The plains zebra (Equus quagga, formerly Equus burchelli) is the most common, and has or had about twelve subspecies distributed across much of southern and eastern Africa.
It, or particular subspecies of it, have also been known as the common zebra, the dauw, Burchell's Zebra (actually the subspecies Equus quagga burchellii), Chapman's zebra, Wahlberg's zebra, Selous' zebra, Grant's zebra, Boehm's zebra and the quagga (another extinct subspecies, Equus quagga quagga).

The mountain zebra (Equus zebra) of southwest Africa tends to have a sleek coat with a white belly and narrower stripes than the plains Zebra.
It has two subspecies and is classified as vulnerable.

Grévy's zebra (Equus grevyi) is the largest type, with a long, narrow head, making it appear rather mule-like.
It is an inhabitant of the semiarid grasslands of Ethiopia and northern Kenya. Grévy's zebra is the rarest species, and is classified as endangered.

Although zebra species may have overlapping ranges, they do not interbreed.
This held true even when the quagga and Burchell's race of plains zebra shared the same area.
In captivity, plains zebras have been crossed with mountain zebras.
The hybrid foals lacked a dewlap and resembled the plains zebra apart from their larger ears and their hindquarters pattern.
Attempts to breed a Grévy's zebra stallion to mountain zebra mares resulted in a high rate of miscarriage.
In captivity, crosses between zebras and other (non-zebra) equines have produced several distinct hybrids, including the zebroid, zeedonk, zony, and zorse.


My underlinings...

Grevys have been an established and popular addition to Zoo populations for a long time, so hopefully there is plenty of genetic material there! :thumbs_up:

Still don't buy the quagga being a subspecies! :evil:

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Wild about cats
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Re: Zebra

Unread post by Wild about cats » Thu Jul 29, 2010 6:15 pm

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Re: Zebra

Unread post by sabinew » Mon Aug 09, 2010 3:35 pm

just some nice zebras....berg en dal area feb.2010

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Fanta
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Re: Zebra

Unread post by Fanta » Wed Aug 11, 2010 12:30 pm

You know this is why I like being on the forum we all share information and photos of the animals that we see. Here I am doing research on my project for my studies and I find many interesting things all of you have said.

Thank you very much! :D
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Re: Migration of Zebras

Unread post by Friedrich von Hörsten » Sat Aug 14, 2010 1:46 pm

Hi Bennievis,

I was at the same place and wondered the same thing -- saw them the first time on Friday, June 25, at the bend in the H10, just before the dirt road turns right, behind Muntshe mountain. The zebras were in the black, burnt section across the Mlondozi river.
I did go back the following Monday on the long s128 loop, and found many paths criss-crossing the road, which had recently been burnt black. I liked the patterns, and hoped to find some zebra crossing the road, which could make good photos -- black and white against black and yellow paths.
The next day it rained, but in the evening I went back there. I found a few zebras disappearing in a northerly direction at sunset. Did the same thing again on Wednesday morning, and saw lots of zebras at a waterhole where the s128 meets up with the H10. Had breadkfast at Nkumbe lookout, and saw a huge herd of zebra moving south, towards the s128.
I immediately stopped eating and drove back to the s128. About 3 km down this road, I met up with a few hundred zebras, slowly plodding along across the road in their DAILY? mini-migration in the direction of Muntshe waterhole, where I had seen them the previous Friday. I did get some interesting pictures, but the rain had washed away a lot of the black cinders and soot, so not as dramatic as hoped for. Will put one or two of these pics on my trip report within a day or two: viewtopic.php?f=27&t=45138

The only conclusion I can reach is that these animals do a daily am walk to the waterhole near the H10, and return to grazing grounds near Nkumbe in the afternoon.
Of course there are bigger migrations, and Mlondozi area is known for winter concentrations of huge herds of zebras.

In the 60's my dad took us to a similar spectacle just east of Tshokwane near the Wolhuter tree, and there were thousands of wildebeest congregated there during a dry winter. It seems as if many of them have died in the meantime, and the numbers haven't recovered (change of habitat?/increase in lion population?).

Lets wait till some boffin can give us the bigger picture!

God bless,

Friedrich von Hörsten
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Re: Migration of Zebras

Unread post by wingman » Wed Aug 18, 2010 9:23 am

The zebra and wildebeest migration does happen most years as said earlier in the thread our family has looked out for them most years when they are in the park at the right time normally around august my parents once saw about 5 to 6000 travelling together from the look out on the nkumbe view site some 5 years back but the migration seems to vary in size and area it is dispersed over from year to year and the time is also variable according to the water rains etc.
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Re: Migration of Zebras

Unread post by okie » Wed Aug 18, 2010 9:48 am

adrianbailey wrote:With all the burnt veld in the area now sprouting fresh green shoots, the zebras seem to have dispersed a bit. There are still large numbers about, but spread all over the area and not concentrated in any specific place.

Adrian
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I also think that generally the animals are more spread out and dispersed nowadays .
In August/September 1970 we were in LS , and used to go to Mlondozi lookout very early in the morning . At that time they had not yet built the dam wall , and the Mlondozi waterhole was basically just a muddy pool . I recall watching as the zebra and wildebeest came down to the water in their hundreds , gathering in groups , slowly approach the water , and at the slightest noise the whole lot would run away in a loud thunder and dust from their hooves . We also watched as a pride of lion lay in ambush , tried to catch a w/beest .
After the Mlondozi dam was built , we never saw the zebra and w/beest in such numbers again .
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Re: Zebra

Unread post by Bobbi Jane » Fri Nov 19, 2010 4:24 pm

Best side! Rear shot!

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Re: Zebra

Unread post by ossendryver » Sun Dec 12, 2010 4:39 pm

Last edited by Elsa on Wed Jun 25, 2014 2:17 pm, edited 1 time in total.
Reason: pic resized.

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mattib
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Re: Zebra

Unread post by mattib » Wed Dec 15, 2010 10:30 pm

Hope you enjoy
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Last edited by Elsa on Wed Jun 25, 2014 2:20 pm, edited 2 times in total.
Reason: pic resized.
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wildlife myth ? zebra stripes and temperature control

Unread post by Peter Apps » Mon May 16, 2011 6:13 pm

Many wildlife guides confidently state that temperature differences between the black and white stripes on a zebra set up convection currents that help to control its body temperature.

Does anyone know where this comes from ? - an internet search of the scientific literature does not provide any sources at all.

Or is it a modern version of a just so story ?

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Re: wildlife myth ? zebra stripes and temperature control

Unread post by 100ponder » Mon May 16, 2011 7:33 pm

Sorry if I am ignorant, but why do a zebra require such sophisticated cooling while the wildebeest and buffalo grazing next to him are much darker in color without such space-age cooling technology ?

Richprins

Re: wildlife myth ? zebra stripes and temperature control

Unread post by Richprins » Wed May 18, 2011 5:51 pm

Hello, Peter!
I don't know, but an interesting bumshot I posted under "quizzes" a while back shows a clear difference in the consistency of the black and white hairs, shown up by more mud sticking to the black ones...interesting! :hmz:

Maybe the black ones are indeed hotter? :shock:

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