A reassessment of the iconic species has “some dramatic implications for how we view giraffe conservation across Africa,” a new study concludes.

A Masai giraffe, native to East Africa, is one of four species of giraffe.Credit...Billy Dodson/GCF

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By Carl Zimmer

For more than 260 years, scientists have consider giraffes a single species. Giraffa camelopardalis, as it was long known, existed across thousands of miles of African grasslands and woodlands.