From the late Pleistocene to the Holocene and now the so-called Anthropocene, humans have been driving an ongoing series of species declines and extinctions. Large-bodied mammals are typically at a higher risk of extinction than smaller ones. However, in some circumstances, terrestrial megafauna populations have been able to recover some of their lost numbers because of strong conservation and political commitment, as well as human cultural changes. Indeed, many would be in considerably worse predicaments in the absence of conservation action. Nevertheless, most mammalian megafauna face dramatic range contractions and population declines.

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