May 29, 2014
The journey took place between the Chobe River in Namibia and Nxai Pan National Park in Botswana, and was monitored by researchers from the Worldwide Fund for Nature (WWF), Namibia’s Ministry of Environment and Tourism (MET), Elephants Without Borders (EWB), and Botswana’s Department of Wildlife and National Parks. The team placed GPS collars on eight adult plains zebras (Equus quagga), a widespread species known to travel great distances, and followed their journey over two years.
A plains zebras (Equus quagga) in Ngorongoro Crater in Tanzania. Photo by Muhammad Mahdi Karim.
“The findings of this study emphasize the importance of trans-frontier conservation areas in conservation of the greater landscape,” said Pierre Du Preez, Chief Conservation Scientist at MET in Namibia. “This study has played a crucial role in helping determine a key wildlife corridor in KAZA.”
Many of Africa’s other mammal species are famous for their migrations. Wildebeest (genus Connochaetes) migrate in huge herds of thousands of individuals, following the rain north into Angola and Kenya. African elephants (genus Loxodonta wander widely in search of the 450 kilograms (1000 pounds) of foliage they may eat in a single day. While zebras are known to travel great distances, just how great was not known until now.
“This unexpected discovery of endurance in an age dominated by humans, where we think we know most everything about the natural world, underscores the importance of continued science and research for conservation” said Dr. Robin Naidoo, senior conservation scientist at WWF and lead author of the study.
Whether this migration represents a fixed route or was a one-time trip is still unknown. The researchers state the need for continued, long-term monitoring of the herd, as well as increased attention for other wildlife assessment projects.
“At a time when conservation news is inherently rather negative, the discovery of this unknown natural phenomenon should resonate with people around the world. The government’s commitment to secure key migratory corridors serves to underpin the growing wildlife tourism industry. We plan to continue monitoring the migration to try and conserve such increasingly rare natural events” said Dr. Mike Chase, EWB’s founder.
Researchers collar the zebras tracked for the study.
The Kavango Zambezi Transfrontier Conservation Area (KAZA) is the world’s largest multi-country conservation area. It spans 109 million acres across Namibia, Botswana, Zimbabwe, Zambia, and Angola (protected areas are in blue). Map courtesy of Global Forest Watch.
- R. Naidoo, M. J. Chase, P. Beytell, P. Du Preez, K. Landen, G. Stuart-Hill and R. Taylor (2014). A newly discovered wildlife migration in Namibia and Botswana is the longest in Africa. Oryx, 10.1017/S0030605314000222
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