Julia Fischer

Rapid updating of ecological information in wild Guinea baboons

This study shows Guinea baboons adjust their space-use and foraging behavior in response to changes in food availability caused by a wildfire.

Maternal style does not predict infant growth and survival in wild Guinea baboons

This study examines the relationship between maternal style and infant growth and survival in wild Guinea baboons, finding no significant link between maternal behavior and infant outcomes.

Copulation calls indicate fertility but do not reflect female mate competition in wild Guinea baboons

The paper examines copulation calls in Guinea baboons, finding they signal fertility but do not reflect mate competition.

Meat acquisition skill and male reproductive success in Guinea baboons

The study investigates whether meat acquisition skill in male Guinea baboons signals quality and affects reproductive success, finding no evidence of such a link.

Post-mortem infant-directed behaviours in wild Guinea baboons

The paper reports post-mortem infant-directed behaviors in wild Guinea baboons, finding that caretaking and cannibalism occur without evidence of a death concept.

Diversity and spatiotemporal activity patterns of medium and large mammals in the Niokolo-Koba National Park, Senegal

The paper analyzes camera-trap data to assess diversity and spatiotemporal activity patterns of medium and large mammals in Niokolo-Koba National Park, finding higher evenness in savannahs and higher sighting rates in forests.

Disparate social structures are underpinned by distinct social rules across a primate radiation

The paper quantifies variation in primate social structures across 11 species, identifying distinct patterns in kin and rank biases and male-centered subgrouping.

PriMAT: A robust multi-animal tracking model for primates in the wild

PriMAT tracks and identifies primates in the wild using bounding boxes, achieving 84% accuracy in lemur identification with minimal labeled data.

Social evaluation of skilfulness in Tonkean macaques (Macaca tonkeana) and brown capuchins (Sapajus apella)

This study examines whether Tonkean macaques and brown capuchins can evaluate others' skilfulness by observing human actors opening food containers, finding they use social information about skill in their decisions.

Nested Male Reproductive Strategies in a Tolerant Multilevel Primate Society

The paper investigates male reproductive strategies in Guinea baboons, finding that reproductive success is more influenced by age and female associations than dominance.

Ecological risk-taking across age in Barbary macaques

This study examines age-related changes in risk-taking behavior in Barbary macaques using an experimental paradigm with varying risk and reward combinations.

Tonkean macaques do not prefer the helper or the hinderer in the hill paradigm

The study tests Tonkean macaques' preference between helper and hinderer agents in the hill paradigm and finds no preference, suggesting low attention to stimuli.

Patterns of sleeping site use of Guinea baboon parties (Papio papio)

This study examines sleeping site use in Guinea baboons, finding that they use sites opportunistically rather than avoiding predators or parasites.

Increased female competition for males with enhanced foraging skills in Guinea baboons

The paper manipulates foraging skill in male Guinea baboons and shows females adjust their social behavior based on the male's utility, not competence.

Patterns of landscape partitioning indicate low levels of resource competition among neighbouring Guinea baboon(Papio papio) parties

This study examines landscape partitioning in Guinea baboon parties and finds high home range overlap and low resource competition between neighboring groups.

Idiosyncrasy in gestural communication: a case study of hand-clapping in a Barbary macaque (Macaca sylvanus)

The paper describes a novel hand-clapping gesture in a Barbary macaque, suggesting it is an agonistic signal used in combination with other communicative behaviors.

Anti-snake behavior and snake discrimination in vervet monkeys

This study examines anti-snake behavior and snake classification in vervet monkeys through observational and experimental methods, finding that inspection duration varies with snake species but not size, and alarm calling is proximity-dependent.

Choose your partner: Social evaluation of skilfulness at cooperative co-action tasks in Tonkean macaques (Macaca tonkeana)

This study shows Tonkean macaques do not prefer skilled partners in cooperative tasks, contradicting previous findings and suggesting limited social evaluation abilities.

Human and macaque pairs employ different coordination strategies in a transparent decision game

This study compares coordination strategies in human and macaque pairs during a transparent decision game, finding that humans use dynamic turn-taking while macaques use static coordination, with one trained macaque pair showing dynamic behavior.