Scientists from Oxford University have used a machine learning algorithm to discover every lion has its own identifiable and trackable roar. Previous research has shown that lions roar to communicate with other members of their pride and scare off foes. But we still know little about how they recognize which animal has made the call. The Oxford scientists tried to find out by designing a device called a “biologger” that’s attached to a lion’s existing GPS collar to record audio and movement data. They then associated each call with a lion by cross-referencing the data through their recordings of roars. [Read: This AI system thinks we’re…
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