Maybe Bonobos Aren't Gentler Than Chimps | Art Meets Ecology In A Mile-Long Poem

A study found aggression between male bonobos to be more frequent than aggression between male chimpanzees. Also, visual artist Todd Gilens created a walkable poem along Reno’s Truckee River that draws parallels between urbanism and stream ecology.

Bonobos are a species of great ape, along with gorillas, orangutans, and chimpanzees. Over the years, they’ve gained a reputation as being calmer and more peaceful than other ape species. But recent work published in the journal Current Biology finds male bonobos may be just as aggressive as male chimpanzees, if not more so.

Dr. Maud Mouginot, a postdoctoral associate in anthropology at Boston University, led the study, in which observers followed individual chimps and bonobos in the wild from morning to night, keeping track of all their interactions. The researchers found that bonobos engaged in 2.8 times more aggressive interactions and 3 times as many physical aggressions as the chimpanzees in the study.

Dr. Mouginot joins guest host Arielle Duhaime-Ross to discuss the findings, what might account for the differences in aggressiveness, and what it can teach researchers about primate behavior.

One year ago this month, we launched our podcast Universe Of Art, which features arts-focused science stories, like the science behind “Dune” and why a group of science illustrators created an online celebration of invertebrate butts. And to our surprise, a lot of you wrote in to tell us about your own science-inspired art projects, including artist Todd Gilens.

Gilens is a visual artist and designer who collaborated with the city of Reno, Nevada, to create a mile-long poem, called “Confluence,” printed on the city’s sidewalks bordering the Truckee River. He was interested in how water shapes landscapes, and how urban architecture can mirror those natural processes. He later found the Sierra Nevada Aquatic Research Laboratory, a University of California field station near Mammoth Lakes, and spent several field seasons with them to learn about stream ecology.

Universe Of Art host D. Peterschmidt sat down with Todd to talk about how the poem came together and why he spent four field seasons in the Sierra Nevada with stream ecologists to create the piece.

Transcripts for each segment will be available the week after the show airs on sciencefriday.com.

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