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Refining prey selection for cheetahs and lions: The influence of prey demography and season

Traditional prey preference models use a coarse species-specific prey body mass of three-quarters of adult female body mass, assumed to reflect the average mass across the prey population. This ignores demographic-specific prey preferences, potentially biasing estimates of preferred prey sizes. We refined prey selection models for two model predators with contrasting hunting strategies, by including seasonal consumption and availability of prey demographic classes. We predicted that cheetahs would select for smaller neonate and juvenile prey, while lions would select for

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Prey preferences of modern human hunter-gatherers

Understanding traditional hunter-gatherer lifestyles in our modern world is fundamental to our understanding of their viability, as well as the role of humans as predators in structuring ecosystems. Here, we examine the factors that drive prey preferences of modern hunter-gatherer people by reviewing 85 published studies from 161 tropical, temperate and boreal sites across five continents. From these studies, we estimated Jacobs’ selectivity index values (D) for 2243 species/spatiotemporal records representing 504 species from 42 vertebrate orders based on a

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