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Namibian Wildlife Surveys archive
This archive of reports of wildlife surveys in Namibia aims to:
- provide easy public access to published information and statistics
- enable easy stakeholder access to recent and historical data on wildlife populations
- provide a comprehensive archive of wildlife survey reports in Namibia
Public access to information is a vital component of ensuring community engagement in prevalent issues. Wildlife surveys are critical to determine the health of wildlife populations and determine trends over time to guide conservation and management actions.
Wildlife surveys are done for different species using methods that are suited to counting them (e.g. by air or road) in their natural habitats. Such surveys need to be repeated over time to detect long-term trends and inform conservation managers. The Namibian government, non-governmental organisations and private reserves all conduct regular surveys covering different parts of Namibia and targeting different species. This archive will thus serve as a repository of our collective knowledge of the trends and status of a variety of species occurring throughout Namibia.
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So, how many elephants is too many elephants? It's a question people have wrestled with for ages. Kruger National Park, home to one of Africa's largest elephant populations, has seen their numbers grow from just a handful in the early 1900s to over 31,000 by 2020. That's a lot of elephants! A recent study using smarter aerial surveys and fancy math gives us a more clear picture of just how fast these gentle giants are multiplying. Turns out, since 2013, their numbers have been growing by about 5.3% each year.
| Attachment | Size |
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| SA_2025_01_Big trunks bigger questions_Rethinking elephant numbers in Kruger_Conservation Action.pdf | 238.14 KB |
Accurately estimating hippopotamus (Hippopotamus amphibius) numbers is difficult due to their aggressive nature, amphibious lifestyle, and habit of diving and surfacing. Traditionally, hippos are counted using aerial surveys and land/boat surveys. We compared estimates of numbers of hippos in a lagoon in the Okavango Delta, counted from land to counts from video taken from a DJI Phantom 4TM drone, testing for effectiveness at three heights (40 m, 80 m, and 120 m) and four times of day (early morning, late morning, early afternoon, and late afternoon).
| Attachment | Size |
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| Drone_based effective counting and ageing of hippopotamus in the Okavango Delta in Botswana.pdf | 893.17 KB |
The Iona National Park covers about 15,200 km2 or 1.52 million hectares of Angola's Namibe Province in the south-western part of the country. It is the largest national park in Angola. It is bounded by the Atlantic Ocean to the west, an escarpment to the east that marks the beginning of the interior plateau, the Curoca River to the north, and the Cunene River to the south. It is about 200 kilometres south of the town of Namibe. Iona was proclaimed as a reserve in 1937 and upgraded to a national park in 1964.
African elephants (Loxodonta africana) are imperiled by poaching and habitat loss. Despite global attention to the plight of elephants, their population sizes and trends are uncertain or unknown over much of Africa. To conserve this iconic species, conservationists need timely, accurate data on elephant populations. Here, we report the results of the Great Elephant Census (GEC), the first continent-wide, standardized survey of African savannah elephants. We also provide the first quantitative model of elephant population trends across Africa.
| Attachment | Size |
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| Continent_wide survey reveals massive decline in African savannah elephants.pdf | 392.74 KB |