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3 results on '"Mitani, John C."'

1. I remember Africa: A field biologist's half-century perspective.

Author

Mitani, John C.

Subjects
BIOLOGISTS, ANIMAL behavior, CERCOPITHECUS aethiops, MEMORY, ILLEGAL logging
Abstract

Thomas Struhsaker is an icon in the study of primate behavior, ecology, and conservation. Tom wrote this memoir to inform those starting out in the field what it was like to conduct primate fieldwork at a time that is unrecognizable today: no computers, cell phones, GPS devices, and most of the technology we now take for granted. In I I remember Africa: A field biologist's half-century perspective i (https://store.bookbaby.com/book/i-remember-africa-a-field-biologists-half-century-perspective), Tom provides a behind-the-scenes account of what occurred during 56 years of primate fieldwork. [Extracted from the article]

Published
2022
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2. A Planet Without Apes?

Author

MITANI, JOHN C.

Subjects
APES, GIBBONS, ORANGUTANS, CHIMPANZEES, BONOBO, GORILLA (Genus)
Abstract

The article talks about apes, man's closest living relatives, which face possible extinction with only five kinds remaining from as many as 40 kinds which roamed Eurasia and Africa between 10-25 million years ago. As of 2011, the gibbon and orangutan live in Asia, the chimpanzee, bonobo and gorilla live in Africa, and all five are reportedly endangered. Apes are said to be much more similar to man than they are to other animals, and they help man understand what makes him human.

Published
2011

3. Lethal aggression in Pan is better explained by adaptive strategies than human impacts.

Author

Wilson ML, Boesch C, Fruth B, Furuichi T, Gilby IC, Hashimoto C, Hobaiter CL, Hohmann G, Itoh N, Koops K, Lloyd JN, Matsuzawa T, Mitani JC, Mjungu DC, Morgan D, Muller MN, Mundry R, Nakamura M, Pruetz J, Pusey AE, Riedel J, Sanz C, Schel AM, Simmons N, Waller M, Watts DP, White F, Wittig RM, Zuberbühler K, and Wrangham RW

Subjects
Africa, Animals, Animals, Wild physiology, Animals, Wild psychology, Female, Food, Humans, Male, Population Density, Sexual Behavior, Animal physiology, Aggression physiology, Aggression psychology, Behavior, Animal physiology, Human Activities, Models, Biological, Pan paniscus physiology, Pan paniscus psychology, Pan troglodytes physiology, Pan troglodytes psychology
Abstract

Observations of chimpanzees (Pan troglodytes) and bonobos (Pan paniscus) provide valuable comparative data for understanding the significance of conspecific killing. Two kinds of hypothesis have been proposed. Lethal violence is sometimes concluded to be the result of adaptive strategies, such that killers ultimately gain fitness benefits by increasing their access to resources such as food or mates. Alternatively, it could be a non-adaptive result of human impacts, such as habitat change or food provisioning. To discriminate between these hypotheses we compiled information from 18 chimpanzee communities and 4 bonobo communities studied over five decades. Our data include 152 killings (n = 58 observed, 41 inferred, and 53 suspected killings) by chimpanzees in 15 communities and one suspected killing by bonobos. We found that males were the most frequent attackers (92% of participants) and victims (73%); most killings (66%) involved intercommunity attacks; and attackers greatly outnumbered their victims (median 8:1 ratio). Variation in killing rates was unrelated to measures of human impacts. Our results are compatible with previously proposed adaptive explanations for killing by chimpanzees, whereas the human impact hypothesis is not supported.

Published
2014
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