With food and water scarce in many parts of Africa, many species migrate long-distances in order to survive. A new study published in the journal, Oryx has found a new record-breaker for the continent’s longest tracked terrestrial migration: a huge group of zebras that traveled a total distance of 500 kilometers (300 miles).
With food and water scarce in many parts of Africa, many species migrate long-distances in order to survive. A new study published in the journal, Oryx has found a new record-breaker for the continent's longest tracked terrestrial migration: a huge group of zebras that traveled a total distance of 500 kilometers (300 miles).
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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.
The researchers attribute the length of the migration in part to the fact that it took place entirely within the Kavango Zambezi Transfrontier Conservation Area (KAZA) the world's largest multi-country protected area. In many other places in the world, animal migrations are hindered by artificial barriers. In a process called "ecological meltdown," studies have found that fences and other barriers effectively convert wildlife habitat to islands, and can result in population declines due to inbreeding and food shortages.
"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.
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Zebra image via Shutterstock.
