Drucken


Silver dikdik; Piacentinii dikdik

Madoqua [swaynei] piacentinii (Drake-Brockman, 1911)
French: Dik-Dik d'argent
German: Piacentiniidikdik; Kleindikdik

Endemic subspecies
There are no endemic subspecies.
Formerly considered a subspecies of Madoqua swaynei.

Description
Total length: 45 - 50 cm
Tail length: 3 - 4 cm
Shoulder height: 30 - 33 cm
Weight: 2 - 3 kg
Gestation: ?

The Silver dikdik is one of the smallest one with very soft, fine fur and distinctive black border to the ears. The hairs inside the ears are white, as is the upper throat. The lower legs are fawn, with similar colouring on the cheeks, ears and forehead crest. There is a chestnut-red blaze on the front of the face. There's no white ring around the eye like the Kirk's dikdik. The back and sides are a uniform silvery grizzle, particularly fine on the neck and haunches. Limbs, ears and muzzles are sandy ochre, cheeks and crest are creamy yellow and the bridge of the nose is often a vivid russet.

Distribution
It is restricted to a narrow strip of coastal plain in Eastern Somalia. It inhabits very low, dense thickets growing along the Obbia coastal littoral on fertile, sandy soils under a powerful offshore wind. This specialised wind-shaped, sand-blasted community has year-long, low-level green growth, partly due to the sea's cooling and moisturising effect.
However, the questionable taxonomic status may make it necessary to include other populations such as the ones observed in the SE Ogaden region of Ethiopia.

Ecology
This dikdik is probably the most primitive and least arid-adapted of dikdiks.

Conservation Status
The Silver dikdik is hunted with nets and is without formal protection within its very restricted range. Its long-term survival (and that of many other endemics) must depend on conservation areas being established in this unique ecological zone.

IUCN Red List Category, ver 3.1:

- http://www.iucnredlist.org/apps/redlist/details/12667/0 

Trend:
Decreasing, but there is no current data available. This species is not known to occur in any protected areas. Although less frequent than other
Dikdiks and more restricted in range, the status seems to be stable in Ethiopia.

European Collection Plan (2003): ...
RCP status: ...

Recommendations
No animals are held in captivity. The decline of this species can only be reversed by the establishment of secure protected areas within its range and/or the establishment of a secure, self-sustaining captive population. Given the recent discovery of this species in the Ogaden, further surveys to better understand the range of this species are required.

Literature
Dorst J & Dandelot P (1970): Larger Mammals of Africa, Collins Field Guide, London.
East R (1999): African Antelope Databese 1998. IUCN/SSC Antelope Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
Haltenorth T & Diller H (1977): Saeugetiere Afrikas und Madagaskars, BLV Verlagsgesellschaft, Muenchen. 
Kingdon J (1997): The Kingdon Field Guide To African Mammals, Academic Press, San Diego.
Wilhelmi F, Kaariye XY, Hammer S, Hammer C & Heckel J-O (2006): ON THE STATUS OF WILD UNGULATES IN THE OGADEN REGION OF ETHIOPIA. Proceedings of the seventh annual SSIG meeting, 43-62.
Wilson DE & Reeder DM (2005): Mammal species of the world. A taxonomic and geographic reference. Third Ed., Vol. 1 The John Hopkins University Press, Balitmore.

 

Links

- http://www.gisbau.uniroma1.it/amd/amd331b.html

Supported by:
Sunday, 17th. Joomla Templates Free. (c) 2012 by Dr. Jean-Paul Martinez & Dr. Jens-Ove Heckel & Dr. Christine Thiel
Copyright 2012

©