To estimate the benefits of spotted hyenas, the researchers examined their feeding habits and the population size around Mekelle. Sustainable Development Goals: ensuring good health and well-being, providing clean water and sanitation, and promoting terrestrial biodiversity. In Mekelle, the scavenging behavior of hyenas advances three U.N. The authors emphasize that these sanitation and disease-control services are particularly valuable in low-income and rural areas. "This is an important contribution to a growing body of work that highlights the benefits of predators and scavengers, rather than focusing only on their costs to humanity." Even so, this study totally upends the traditional narrative around hyenas - that they are a nuisance and should be removed," said U-M's Neil Carter, senior author of the study and an assistant professor at the School for Environment and Sustainability. 26 in the Journal of Applied Ecology, is the first to quantify the public health and economic benefits of scavenging by spotted hyenas. This disease-control service potentially saves the city $52,000 annually in treatment costs and livestock losses avoided. They determined that hyena scavenging annually prevents five infections of anthrax and bovine tuberculosis in Mekelle residents and 140 infections in cattle, sheep and goats. The researchers wanted to know whether hyenas - by removing this waste from the environment - might also prevent pathogens from jumping into people and livestock. The carcasses of livestock animals that are slaughtered for food there, or that die naturally, are often dumped at the local landfill or on roadsides, where hyenas feed on the waste. Mekelle is the capital of northern Ethiopia's Tigray region. In a study conducted in and around the Ethiopian city of Mekelle, home to 310,000 people and 120,000 livestock animals, a University of Michigan conservation ecologist and two colleagues found that spotted hyenas annually remove 207 tons of animal carcass waste. But a new study concludes that spotted hyena scavenging provides significant public health and economic benefits to the African cities they roam.
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