Kara Walker

Works (10)

Updated: August 28th, 2023 09:59

2023 journal article

Reproductive inequality in humans and other mammals

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 120(22).

By: C. Ross *, P. Hooper *, J. Smith *, A. Jaeggi *, E. Smith *, S. Gavrilets *, F. Zohora *, J. Ziker * ...

author keywords: reproductive skew; inequality; egalitarian syndrome; mating systems; monogamy
TL;DR: It is demonstrated that humans exhibit lower average sex differences in reproductive inequality than do most other mammals, while nevertheless falling within the mammalian range. (via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 21, 2023

2022 article

Predictors and consequences of gestation length in wild chimpanzees

Feldblum, J. T., Boehm, E. E., Walker, K. K., & Pusey, A. E. (2022, August 5). AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY.

By: J. Feldblum *, E. Boehm*, K. Walker n & A. Pusey *

author keywords: chimpanzee; energetics; gestation length; life history; offspring survival
TL;DR: Like humans, chimpanzees had shorter gestations after short IGIs, and short gestations were associated with higher offspring mortality, and it was found that shorter gestation lengths corresponded to lower offspring survival. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 29, 2022

2021 journal article

Assessing conservation attitudes and behaviors of Congolese children neighboring the world's first bonobo (Pan paniscus) release site

AMERICAN JOURNAL OF PRIMATOLOGY, 83(1).

By: A. Bowie *, K. Walker n, G. Bunnell*, D. Morel*, F. Minesi*, R. Belais*, B. Hare*

author keywords: bonobo; Democratic Republic of the Congo; great apes; psychology; reintroduction
MeSH headings : Adolescent; Animals; Attitude; Child; Conservation of Natural Resources / statistics & numerical data; Democratic Republic of the Congo; Female; Humans; Male; Pan paniscus
TL;DR: It is suggested that among participants in the DRC, spatial proximity to a species fosters a greater sense of responsibility to protect and conserve, and has implications for the successful implementation of great ape reintroduction programs in the Congo Basin. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: December 11, 2020

2021 journal article

Evaluating adaptive hypotheses for female-led infanticide in wild chimpanzees

ANIMAL BEHAVIOUR, 180, 23–36.

By: K. Walker n, S. Foerster*, C. Murray*, D. Mjungu & A. Pusey *

author keywords: cannibalism; exploitation; female-female competition; infanticide; predation; resource competition; risk sensitivity; severe aggression
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: November 8, 2021

2021 journal article

Evolution of water conservation in humans

CURRENT BIOLOGY, 31(8), 1804-+.

By: H. Pontzer *, M. Brown *, B. Wood *, D. Raichlen *, A. Mabulla *, J. Harris *, H. Dunsworth *, B. Hare* ...

TL;DR: Compared to apes, humans appear to target a lower ratio of water/energy intake, and water stress due to changes in climate, diet, and behavior apparently led to previously unknown water conservation adaptations in hominin physiology. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: May 24, 2021

2020 personal communication

Inbreeding risk and maternal support have opposite effects on female chimpanzee dispersal

Walker, K. K., & Pusey, A. E. (2020, January 20).

By: K. Walker n & A. Pusey *

MeSH headings : Animal Distribution; Animals; Female; Inbreeding; Movement; Pan troglodytes / genetics; Pan troglodytes / physiology
TL;DR: Walker and Pusey show that dispersal decisions in chimpanzees are most influenced by inbreeding avoidance and kin cooperation, instead of competition, which is more consistent with sex-biased dispersal. (via Semantic Scholar)
UN Sustainable Development Goal Categories
5. Gender Equality (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: February 3, 2020

2020 journal article

Sexual dimorphism in chimpanzee (Pan troglodytes schweinfurthii) and human age-specific fertility

JOURNAL OF HUMAN EVOLUTION, 144.

By: M. Muller *, N. Jones *, F. Colchero *, M. Thompson *, D. Enigk *, J. Feldblum *, B. Hahn*, K. Langergraber * ...

author keywords: Chimpanzees; Sexual dimorphism; Age-specific fertility; Effective breeding duration; Foragers; Hadza
MeSH headings : Age Factors; Animals; Female; Fertility; Humans; Male; Pan troglodytes / physiology; Sex Characteristics; Tanzania
TL;DR: Both humans and chimpanzees showed sexual dimorphism in age-specific fertility that deviated from predictions drawn from primates with more extreme body sizeDimorphism, suggesting altered dynamics of male-male competition in the two lineages. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: July 6, 2020

2018 journal article

Maturation is prolonged and variable in female chimpanzees

JOURNAL OF HUMAN EVOLUTION, 114, 131–140.

By: K. Walker n, C. Walker n, J. Goodall* & A. Pusey *

author keywords: Life history; First birth; Sexual maturity; Hominin; Dispersal; Maternal effects
MeSH headings : Animals; Female; Models, Biological; Pan troglodytes / growth & development; Sexual Maturation; Tanzania
TL;DR: Improved estimates of maturation milestones in a population of wild female chimpanzees are provided and the importance of maternal factors in development is indicated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Morphological Identification of Hair Recovered from Feces for Detection of Cannibalism in Eastern Chimpanzees

FOLIA PRIMATOLOGICA, 89(3-4), 240–250.

By: C. Walker n, K. Walker n, G. Paulo* & A. Pusey *

author keywords: Microscopy; Forensics; Guard hair; Infanticide; Pan troglodytes
MeSH headings : Animals; Cannibalism; Feces; Hair / anatomy & histology; Pan troglodytes / anatomy & histology; Pan troglodytes / physiology; Tanzania
TL;DR: It is found that chimpanzee guard hair morphology is unique among tested mammals and that the presence of abundant chimpanzee hair in feces is likely the result of cannibalism and not incidental ingestion from grooming or other means, and morphological analysis of guard hairs from feces is a promising, cost-effective tool for the determination of cannibalistic acts in chimpanzees. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2018 journal article

What influences a pet dog's first impression of a stranger?

LEARNING & BEHAVIOR, 46(4), 414–429.

By: J. Tan *, K. Walker*, K. Hoff* & B. Hare*

author keywords: comparative cognition; avoidance
MeSH headings : Animals; Behavior, Animal; Cues; Dogs / psychology; Female; Humans; Male; Object Attachment; Pets / psychology; Social Behavior
TL;DR: The first-impression hypothesis suggests that interacting with strangers can present an opportunity to form a mutualistic partnership and predicts that dogs should respond positively toward a complete stranger to facilitate bonding and adjust their preferences in response to the perceived risk and benefit of interaction with strangers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
17. Partnerships for the Goals (OpenAlex)
Source: Web Of Science
Added: December 31, 2018

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