What will happen after the rhinos are gone?
“We don’t usually think of herbivores as keystone species. That’s a moniker we usually apply to apex predators, who can keep entire ecosystems in check and aren’t themselves subject to predation. But given their size, mature “megaherbivores” like white rhinos aren’t usually subject to predation either. If they can survive to adulthood, the main pressure on the size of their population, like for apex predators, is simply the availability of food. That allows them to exert disproportionate control over their environments, just as lions or wolves. According to new research published in the Journal of Ecology, Africa’s white rhinos (Ceratotherium simum) could be thought of as apex consumers.”
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