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Post by Melanie on Mar 28, 2007 16:18:25 GMT
Ourebia ourebia keniae this subspecies of oribi once lived on the lower slopes of Mount Kenya and the subspecies become extinct in 1925 |
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Post by Melanie on Mar 28, 2007 16:18:56 GMT
correct spelling is Ourebia ourebi ssp. kenyae. ( KENYA ORIBI) it might seem petty but it makes it easier for the search engine to find things if there correct......... |
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Post by Melanie on Mar 28, 2007 16:19:32 GMT
the O. ourebi kenyae is said to be extinct (Mt Kenya N.P.) |
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Post by Melanie on Mar 28, 2007 16:20:30 GMT
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Post by Melanie on Mar 28, 2007 16:21:17 GMT
Walker, mammals of the world |
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Post by Melanie on Mar 28, 2007 16:21:52 GMT
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Post by another specialist on Mar 28, 2007 20:01:58 GMT
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Post by another specialist on Mar 28, 2007 20:02:42 GMT
Commonly called the Kenya oribi
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Post by Bhagatí on Feb 23, 2009 21:56:24 GMT
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Post by sebbe67 on Apr 28, 2009 11:09:39 GMT
The Kenya oribi which occurred on the lower slopes of Mt. Kenya had probably gone extinct by the 1980's (Hillman et al. 1988), but the status of this distinctive subspecies is neither mentioned by East 1997 nor East 1998. -------------------------------------------------------------------------------- Source: 130.225.211.158/SubsaharanAfrica/FMPro?-Db=Subsaharan.fp5&-Format=mapping.htm&-Lay=www&TaxonShort=Ourebiaourebi&-Max=All&-Find. Hillman, J. C., G. R. Cunningham-van Someren, C. G. Gakahu, and R. East. 1988. Kenya. Pages 41-53 in R. East editor. Antelopes. Global Survey and Regional Action Plans. Part 1. East and Northeast Africa. IUCN, Gland, Switzerland. East, R. 1998. African Antelope Database 1998. IUCN/SSC Antelope Specialist Group Report. |
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Post by another specialist on Apr 28, 2009 22:47:51 GMT
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Post by Peter on Jun 10, 2012 5:24:58 GMT
A NOTE ON THE MATING BEHAVIOUR OF THE KENYA ORIBI Ourebia ourebi IN CAPTIVITY
by C. E. Cade
Animal Orphanage, Kenya National Parks, Nairobi, Kenya
In the Animal Orphanage belonging to the Kenya National Parks in Nairobi, there is a grass enclosure where a number of species of small antelopes are kept. Among these are a male and two female Kenya oribi, Ourebia ourebi. All three are tame and have been handreared. They were brought to the Orphanage, either because their owners were leaving the country or because the owners realised that a tame antelope would have little chance of survival if it should return to the wild on reaching maturity.
The male is the youngest of the trio and was acquired by his original owner on 28 March 1964. He must have been about four days old. He was brought to the Orphanage when his horns were just showing and by June 1965 his horns were between two and three inches long. The females are both young adults.
On 28 May the male, who by then 14 months old, was seen to be sexually interested in one of the females, following her closely and striking between her hind-legs with his foreleg in a manner similar to that of the steinbok, Raphicerus cumpestris. and the Grey duiker, Sylvicupru gritnmia. The female walked along slowly with her tail held erect. The male frequently rose as though to mount her but every time she would move forwards and no mating took place. After this had been going on for some 15 minutes, the male stretched his head forward and pushed his head and neck between the hind-legs of the female and lifted her hind-quarters off the ground on the base of his neck, moving her forward a few steps on her front legs. He then withdrew his head and smelt her genital area and repeated the performance a second time. On the second occasion he withdrew his head, the female stood still and allowed the male to mount her. Penetration was very rapid. The male then left her and lay down. Two hours later the whole sequence of actions was repeated.
On 21 June the same actions were carried out with the other female.
At no time were either of the females observed to dow the male to mount them until he had put his head and neck under their bodies and lifted their hindquarters. After he had done this, they accepted him immediately.
It is not known whether this mating behaviour is usual with the Kenya oribi as we have no record of observations being made of their mating behaviour in the wild. We would be interested to hear whether any observations have been made on the mating behaviour of the Kenya oribi in captivity.
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Citation: Cade, C. E. (1966), A NOTE ON THE MATING BEHAVIOUR OF THE KENYA ORIBI Ourebia ourebi IN CAPTIVITY. International Zoo Yearbook, 6: 205. doi: 10.1111/j.1748-1090.1966.tb01757.x
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Post by Peter on Jun 10, 2012 5:35:28 GMT
It is hard to find a good extinction date for this subspecies (based on good/scientific references). In 1966 there were at least some alive in captivity (Cade 1966). And Hillman et al. (1988) mentions that it is probably extinct. It was officially declared extinct in the 1996 IUCN Red List (IUCN SSC Antelope Specialist Group 2008). Based on Hillman et al. (1988) I would say it probably became extinct in the 1980s. References:Cade, C. E. (1966). A note on the behaviour of the Kenyan Oribi Ourebia ourebi in captivity. International Zoo Yearbook, 6: 205. doi: 10.1111/j.1748-1090.1966.tb01757.x Hillman, J. C., G. R. Cunningham-van Someren, C. G. Gakahu, and R. East. (1988). Kenya. Pages 41-53 in R. East editor. Antelopes. Global Survey and Regional Action Plans. Part 1. East and Northeast Africa. IUCN, Gland, Switzerland. IUCN SSC Antelope Specialist Group (2008). Ourebia ourebi ssp. kenyae. In: IUCN (2011). IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 10 June 2012. ( www.iucnredlist.org/apps/redlist/details/15732/0) |
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Post by surroundx on Apr 28, 2013 2:53:07 GMT
The Kenya oribi (Ourebia ourebia keniae) provides the next example. This yellow, black-tailed subspecies of the Mt. Kenya foothills may already be extinct, according to the map in Stewart and Stewart (1963: J. E. Afr. nat. Hist. Soc., No. 107). It is or was different from the oribi west of the Rift, which still apparently survives, and was quite isolated from the contrasting Haggard's oribi of the coast. Is there any possibility that the Kenya oribi still exists, for instance in the upper Tana River? Source: cmsdata.iucn.org/downloads/jan_1986.pdf (top of page 4) |
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Post by Melanie on Dec 4, 2015 13:54:50 GMT
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Post by Melanie on Aug 20, 2016 12:15:52 GMT
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Post by Bhagatí on Jan 20, 2019 20:23:27 GMT
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