A cape vulture attacks a trio of black-backed jackals feeding on a carcass. Direct competition of this sort is just one of the factors on our scale of scavenging, a scale which we use to highlight the biological drivers of this behaviour. Photo taken by Andre Botha in Golden Gate Highlands National Park, South Africa. Copyright by Adam Kane. Full article: A recipe for scavenging in vertebrates – the natural history of a behaviour.

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