Lions Roar for 3 Reasons. #1 Is Math.

Transcript

1. 0:00#1 REASON LIONS ROAR: MATH. Scientists found lions roar for 3 reasons. #1? Math.
2. 0:04114 DECIBELS. #3: A roar is loud enough to almost hurt.
3. 0:08SAME CORDS, NEW SOUND. Elk have lion-size vocal cords but call high.
4. 0:12#2 SILENT LIONS. #2: Lions with no home never roar. Too risky.
5. 0:161 OR 3?. #1: Lionesses hear strangers and count their voices.
6. 0:20THEY COUNT. Outnumbered, they back off. So why do lions roar?

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