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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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Displaying results 1 - 13 of 13
Kolberg H 2017. Status assessment of Namibia's vultures . Lanioturdus 50 (1) 9-17

Vultures provide essential ecological services, yet are amongst the world's most threatened species with populations having declined by more than 95% within ten years in some places. The biggest factor causing this decline is the use of poison, either intentionally or unintentionally. Other factors causing declines are collision with and electrocution by powerlines, illegal harvesting for traditional medicines, habitat loss and drowning in reservoirs.

Kolberg H 2016. Book Review: Birds of Botswana by Peter Hancock and Ingrid Weiersbye, Princeton University Press . Lanioturdus 49 (1) 28

The species accounts are very detailed, doubtlessly benefitting from Peter's intimate and long-term knowledge of Botswana's birds. The range maps give one an immediate indication of where the bird occurs and the breeding bars give one an idea of when to expect the bird and when it breeds. These will prove handy when identifying e.g. migratory birds. The excellent illustrations show the birds in their local race and where sexes and ages differ, these are also illustrated. Perhaps one shortcoming of the illustrations is, that diagnostic features e.g.

Attachment Size
Book Review_Birds of Botswana.pdf 346.34 KB
Kolberg H 2009. Of gale-force winds and balmy days - Narrative of twenty-five days of bird counting in the wild hinterland of Namibia . Lanioturdus 42 (2) 2-4
Kolberg H 2009. Population Census of Flamingos in Namibia, July 2008 . Lanioturdus 42 (2) 12-14

The southern African Lesser Flamingo population was estimated to number 55,000 - 65,000 individuals in the mid-1990s, but these were either under estimates or the numbers have increased since, because at times Kamfers Dam, the Goldfields wetlands (in South Africa), Etosha Pan (Namibia) and Sua Pan (Botswana) each support more than that number. In order to try and get to grips with the size of the southern African population of Lesser Flamingos, a coordinated survey was planned for 20-21 July 2008.

Kolberg H 2009. Summary of the 2007 Ringing Season in Namibia . Lanioturdus 42 (1) 15-19

The 30 June 2008 signaled the end of the 2007 ringing season and the following is a summary thereof. In total 9 637 birds of 270 species were ringed or re-trapped, controlled etc. this season. Out of this total 9 033 were newly ringed birds (i.e. SAFRING code 1). Data from 19 ringers was received and Dirk Heinrich once again is the "ringing king" of code 1 birds, followed by Tim Osborne and Mark Boorman but in the re-trap etc. category Tim pipped Dirk, followed by Ursula Franke. Dirk also held top spot in the number of different species ringed category.

Ministry of Environment and Tourism (MET) 2007. Species Management Plan - Elephants, Loxodonta africana .

Elephants occur across the entire north of Namibia with two main sub-populations in the north-east and the north-west. In 2004 the total population was estimated at over 16,000 animals and, allowing for underestimates on aerial surveys, the true number in 2007 is likely to be closer to 20,000. The north-western population is about 4,000 animals and includes the elephants in Etosha. This appears to be growing at about 3.3% per annum and expanding its range.

Brown CJ, Stander P, Meyer-Rust R, Mayes S 2004. Results of a Crocodile Crocodylus niloticus survey in the river systems of north-east Namibia during August 2004 .

This study has provided baseline data on crocodile numbers from aerial and spotlight counts. These data can be used with the results of future counts to determine population trends. The census has also provided information on their distribution of crocodiles in the Kavango and Caprivi regions. And third, it has resulted in the first population estimate for crocodiles in the north-east wetlands of Namibia.

Attachment Size
Crocodile Survey in NE Namibia_2004.pdf 404.87 KB
Tyler SJ 2001. A review of waterbird counts in Botswana, 1991 - 2000 . Babbler Special Supplement (1)
Robertson A, Simmons RE, Jarvis AM, Brown CJ 1995. Can Bird Atlas data be used to estimate population size? A case study using Namibian endemics . Biological Conservation 71 87 - 95

An assessment of population size is a fundamental stage in the conservation of any species. The recent availability of data from the Southern African Bird Atlas Project (SABAP) provides a tool to investigate the status and distribution of approximately 900 bird species covered by this work. Here, we assess whether or not reporting rate can be used to establish absolute abundance and thereby produce estimates of population size.

Herremans M, Brown CJ, Borello WD, Herremans-Tonnoeyr D 1993. The abundance of European Rollers Coracias garrulus in Botswana and Namibia . Ostrich: Journal of African Ornithology 64 (2) 93 – 94

Short paper discussing previous documented records and interpretation in relation to records data.

Attachment Size
European Rollers in Namibia_1993.pdf 3.06 MB
Brown CJ 1989. Pygmy Falcon population in the central Namib desert, Namibia . Gabar 3 10 - 13

Distribution is restricted by the availability of Sociable Weaver nests, rather than by other environmental factors. There is a 26% occupancy rate and the falcons choose larger Sociable Weaver nest masses.

Brown CJ, Cooper TG 1987. The status of cliff-nesting raptors on the Waterberg SWA/Namibia . Madoqua 15 (3) 243 - 249
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Brown_1987_Madoqua_15_3_raptors.pdf 1.51 MB
Brown CJ 1985. The status and conservation of the Cape Vulture in SWA/Namibia . Vulture News 14 4 - 15
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Brown CJ 1985 Vulture News 14_4_15.pdf 386.16 KB

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