An unusual sexual bond between a bull and a male donkey

Summary
Sex between animals of the same sex is widespread in nature. But researchers reporting in the journal Current Biology on Nov. 2 describe an unusual partnership involving an ongoing sexual relationship between a bull and a male donkey living on an Ethiopian plateau.
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An unusual sexual bond between a bull and a male donkey
Sex between animals of the same sex is widespread in nature. But researchers reporting in the journal Current Biology on Nov. 2 describe an unusual partnership involving an ongoing sexual relationship between a bull and a male donkey living on an Ethiopian plateau.