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Annual game counts have been undertaken in Sioma-Ngwezi National Park since 2017 using road-route sections covering the western boundary, the southern area, and central area of the park. The vegetation of the park is dominated by miombo broad-leafed savanna but with some marshland associated with the Kwando river in the west (Sinjembela road and Mufulani road A). In 2021 several new routes were driven, however data from all except Namulilo road were discarded as they overlapped existing routes. Only a portion of Mulamba road route was counted.

In 2012, a simplified territory mapping method was employed to study the distribution and numbers of all birds breeding in the Ogongo Game Park (OGP). OGP is situated approximately 50 km north-west of Oshakati, in the Outapi district, Omusati region, North-Central Namibia. The area of the park is approximately 1000 ha. The vegetation of OGP comprises mainly mopane savanna Colophospermum-Acacia nilotica. In total, 142 bird species were recorded: 101 breeding residents, 19 regular visitors, 10 irregular visitors, 3 vagrants, 10 Palaearctic migrants.

Line transects were initiated in 2017 and represent almost half of the total area of the conservancy and include most of the waterholes. The area not covered by transects has low animal densities due to reduced habitat suitability and people pressure. Transect counts have recorded 27 species including 7 predator species. Based on average spoor sightings and Event Book records, hyaena are the most common predator, followed by wild dog, leopard and jackal. The top 3 species in terms of sightings between 2017 and 2023 included wildebeest, elephant and kudu.

Wildlife populations in north-west Namibia were severely impacted in the 1980s by a combination of severe drought and poaching. Community conservation, formalised in 1996 through conservancies facilitated an increase in wildlife numbers through controlled utilisation and effective control of poaching. Between 1996 and 2012 most species experienced stable or growing population trends, however, a prolonged dry phase after 2013 resulted in a steady decline in populations of many game species. It is unclear how much illegal harvesting contributed to the drop in animal numbers.

Waterhole counts were undertaken at selected sites in the escarpment zone of north-west Namibia. In 2018,18 waterholes in 7 conservancies were counted but from 2019 onwards, the number of waterholes was increased to more than 25 covering 11 conservancies. Counts were undertaken over a period of 2, 3 or 4 days during which time all animals seen were counted. Game species differ in the frequency with which they need to visit water resources with some able to acquire much of their hydration needs through foraging.