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Bonobo Hunting: Females Made 99 of 158 Known Captures
Ten years of data from LuiKotale show female hunting of duikers, but the sex ratio and hunter-scoring rules limit what that says about our ancestors.
Oct 27
2
1
41:43
Chimpanzee Risk-Taking and Rank: 86 Sanctuary Apes
A Leadership Quarterly study links dominance rank to risk preference in sanctuary chimpanzees, but the measures raise questions the authors leave open.
Oct 27
1
1
2
26:33
PTERV1: A 6,915-Base Retrovirus Silences a Chimp Gene
An endogenous retrovirus in chimpanzees keeps LINC00662 off, a lncRNA active in human neural organoids, but the evolutionary link is still untested.
Oct 23
1
1
41:01
Macaque Pathogen Avoidance After an Outbreak: 47% vs 79%
A Texas sanctuary study links a deadly outbreak to caution about feces-coated food in Japanese macaques, a clue about the behavioral immune system.
Oct 22
1
40:35
Barbary Macaques in Germany 310,000 Years Ago
A one-year-old macaque’s milk tooth from Schöningen is the northernmost primate fossil on the European continent, from a Lower Palaeolithic site.
Oct 13
2
2
34:50
32,600 Hours Show Orangutan Mothers Arranging Playdates
Fifteen years of GPS tracks from wild Bornean orangutans show mothers traveling farther and feeding less so their infants can play with peers.
Oct 7
2
2
37:51
Chimpanzees Stole Pineapple 61% of the Time From Friends, 70% From Strangers
Researchers at Ngamba Island found that chimpanzees hold back from stealing from their friends, and the thieves seemed to know it.
Oct 2
4
2
43:30
September 2026
Young Orangutans Keep Learning From a Look for 145 Minutes
A 12-year study of wild Sumatran orangutans finds that most of what looks like an infant’s solo trial and error starts with watching another ape.
Sep 28
3
1
42:27
Why Chimpanzee Mothers Carry Dead Infants Up to 126 Days
Across 83 cases of infant corpse carrying, nothing about how long chimpanzee and bonobo mothers carry requires them to know death is permanent.
Sep 17
8
1
33:54
Wild Chimpanzees Teach Tool Use: 33 Transfers on Camera
At Dindefelo, Senegal, camera traps caught savanna chimpanzees handing tools to infants and others, and in all but one case the recipient reached first.
Sep 16
5
2
43:54
The Self-Processing Network Evolved Unevenly in Primates
A brain-scan study of humans, chimpanzees, and macaques finds the neural hub for self-awareness shifted from the insula to the cingulate cortex.
Sep 7
5
1
27:32
August 2026
Body Size and Habitat, Not Sociality, Predict How Many Calls a Primate Makes
A phylogenetic analysis of 77 species finds no signal from brain size or group size, and a strong one from the interaction between body mass and life in…
Aug 18
3
2
48:09
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