The crushing jaws of hyenas may act as a kind of nutrient blender, grinding out calcium and phosphorous from bones and dumping them back into the relatively poor soil of the Kalahari Desert, researchers say.
in the African Journal of Ecology, they looked at brown hyenas in Tswalu Game Reserve in the southern Kalahari Desert in South Africa as well as spotted hyenas in Manyeleti Game Reserve near Kruger National Park. They estimated how much hyenas would need to eat to stay alive, then calculated how much calcium and phosphorous came out the other end.
Hyenas' eating habits also spread the nutrients around in another way, as they leave behind a lot of smaller splintered bones that creatures like birds take advantage of, according to other research."Birds that didn't have access to those splinters tended to get a lot of metabolic diseases related to phosphorous or calcium deficiency," Abraham said.
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