BirdLife species factsheet for Kori Bustard Kori Bustard Ardeotis kori has an extensive African range. It is thought to be experiencing range-wide decline (Collar et al. 1986, Collar 1996), owing to ongoing habitat destruction and unsustainable levels of hunting (del Hoyo et al. 1996). Nevertheless, it is currently listed as Least Concern because perceived population declines were not thought to meet the threshold of a 30% decline in three generations (47 years in this species), or approach any of the other thresholds for Vulnerable under any of the IUCN Red List criteria. A recent study by Senyatso et al. 2012 examined the use of incidental occurrence records to assess the range-wide conservation status of this widespread, low-density species. Results showed that overall range sizes (measured as EOO [Extent of Occurrence]) did not decline during the period 1863-2009. Although the analysis was unable to examine if more recent range contractions have occurred, further contraction is unlikely to have exceeded 30% over the past three generations (from the period 1965-2010), given the spatial similarity of post 1990 atlas records to those from 1960’s and 1970’s and qualitative evidence from survey respondents (Senyatso et al. 2012). However, this study did reveal extensive qualitative evidence for an overall population decline, with considerable pre- and post-1970 population declines in all range states except Zambia and Angola, as well as ongoing changes in the internal characteristics of this species’s range, at least since the early 20th century. If this information is confirmed, and the rate of population decline is suspected to approach 30% over 48 years (three generations), this species could warrant uplisting to Near Threatened, approaching the threshold for Vulnerable under criterion A2b+3b+4b. Further information is required on this species’s population trends, distribution and the severity of potential threats. Additional comments on the proposed uplisting are welcome. References: Collar, N. J. (1996) Family Otididae (Bustards). Handbook of the birds of the world (ed. by J. del Hoyo, A. Elliot and J. Sargatal), pp. 240–273. Lynx Edicions: Barcelona, Spain. Collar, N. J., Goriup, P. D. and Osborne, P. E. (1986) Otididae, bustards. The birds of Africa (ed. by E. Urban, C.H. Fry and S. Keith), pp. 148–179. Academic Press: London. del Hoyo, J., Elliott, A. and Sargatal, J. (1996) Handbook of the Birds of the World, vol. 3: Hoatzin to Auks. Lynx Edicions: Barcelona, Spain. Senyatso, K. J., Collar, N. J. and Dolman, P. M. (2012) Assessing range-wide conservation status change in an unmonitored widespread African bird species. Diversity and Distributions, 1-14.
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- AZE (Alliance for Zero Extinction) (16)
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Five most recent topics
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- Species to be potentially uplisted after a reassessment of species against criterion B2, following Tracewski et al. (2016)
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- Great Black-backed Gull (Larus marinus): uplist to Near Threatened or Vulnerable?
- Shy Albatross (Thalassarche cauta): uplist from Near Threatened to Vulnerable?
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