スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 6月23日 06時49分

🔊🐆 SOUND ON: Unlike lions, tigers and other large cats, cheetahs cannot roar. That’s because their hyoid bone is only one piece, whereas the others’ hyoid bones are comprised of two pieces. Instead, cheetahs vocalize through chirps, growls, stutters and—as this video demonstrates—purrs. Most cheetahs are not relaxed enough to purr when a human is in close proximity, but 8-year-old Gat was hand-raised by keepers and is very comfortable in their presence. The sound is a treat to keepers’ ears! #NatZooZen #ASMR #BringTheZooToYou #ClosedButStillCaring

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