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Sunday, 4 December 2022

Learning about different animals’ unique sensory bubbles — “umwelts”

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Take a trip beyond your five senses: One of New York Times Top 10 Books of 2022, An Immense World details all the ways different animals perceive the world through their unique sensory bubbles, which zoologist Jakob von Uexküll coined a name for: Umwelt. Much like how dogs perceive their surroundings through odors and sounds while humans that rely heavily on vision, other animals have differing Umwelts. Science journalist Ed Yong’s book attempts to get readers to step outside the limitations of their umwelts to consider how other species from elephants to treehoppers and dolphins perceive the world around them. He describes how elephants use low-frequency rumble, inaudible to human ears, to arrange to meet with groups miles away and how they are able to discern the scents associated with people who hunt them. When given piles of clothes worn by people of different ethnic groups, elephants ran away from the pile of clothes worn by the Maasai people, the only group that hunts them. He explains that humans only see 1% of the hundreds of mns of colors that birds can, since they see ultraviolet light. Young also points out that so much still remains a mystery to us despite all the new discoveries in the field.

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