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Cats Recognize Their Owner's Scent, Study Suggests

  • Researchers from a Japanese agricultural university published a study in PLOS One revealing that cats can distinguish their owner’s scent from that of strangers, demonstrating different behavioral responses to familiar and unfamiliar human odors.
  • Researchers aimed to determine whether cats can distinguish familiar from unfamiliar humans using scent alone but noted it remains unclear if cats identify specific individuals by smell.
  • The study involved 30 cats sniffing tubes containing odors from their owner, a same-sex stranger, or a clean swab, finding cats spent significantly more time investigating unknown scents.
  • Data showed cats sniffed stranger odors longer and tended to use their right nostril for new scents and left nostril for familiar ones, while also rubbing their faces on the scent sources after sniffing.
  • The researchers concluded cats use olfaction to recognize humans but advised further behavioral studies to clarify if cats can identify specific people by their smell.
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SEO/BirdLife broke the news in on Wednesday, May 28, 2025.
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