期刊
BIRD CONSERVATION INTERNATIONAL
卷 33, 期 -, 页码 -出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S095927092100054X
关键词
Body part trade; Mass mortality; Poison; Vultures; West Africa
资金
- NATURAMA Foundation in Burkina Faso
- Science and Society Group in the Faculty of Sciences and Engineering, University of Groningen, The Netherlands
The current catastrophic decline in African vultures is mainly caused by poisoning, consumption, and belief-based use. A survey conducted in Burkina Faso reveals that poisoning is the primary cause of vulture mortality, particularly intentional poisoning using poisoned baits. Unintentional poisoning, electrocution, and motor vehicle collisions are also significant anthropogenic causes of vulture deaths.
The current catastrophic decline in African vultures is caused mainly by poisoning, and killing for consumption and belief-based use (traditional medicine). To find out more about the key threats to vultures in West Africa, we assessed the main anthropogenic causes of vulture mortality in Burkina Faso. We analysed incidents of mass vulture mortality, based on interviews conducted in 2016 with local butchers, veterinarians, foresters, and abattoir watchmen at 44 sites across the country. A total of 730 interviews revealed that poisoning was the main cause of mortality of vultures in Burkina Faso (20 of the 23 mass mortality incidents described by respondents were caused by poisoning). Poisoning was also the most lethal threat to vultures (779 out of 879 known vulture deaths were due to poisoning). According to the survey, intentional poisoning of vultures with poisoned baits (which comprised 15 out of 23 mass mortality incidents) produced the highest number of victims (577 out of 879 dead vultures). The number of vultures killed by poisoned baits was higher closer to the borders than elsewhere in Burkina Faso and we believe these recent intentional vulture poisoning events in Burkina Faso were intended to meet the growing demand for vulture body parts in West Africa. The survey showed that unintentional poisoning was the second main cause of vulture mass mortality (5 out of 23 mass mortality incidents comprising 202 of 879 dead vultures). Other important anthropogenic causes of vulture mortality included electrocution at electricity poles and motor vehicle collisions. Our results highlight the need for awareness campaigns, improved policy and legislation, and stronger commitment from governments in West Africa, to halt the trade in vultures and prevent their extirpation.
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