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First record of allonursing in golden jackal (Canis aureus, L. 1758): a case of double breeding and communal denning within the same social unit
In the last decade, there has been a remarkable increase in the number of scientific publications on the ecology of the golden jackal Canis aureus ,...
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Behavioral adaptation in an adoptive free-ranging female Tibetan macaque
Adoption is an important form of allomaternal care in nonhuman primates, with implications for reproductive output and infant survival. Here, we...
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Sperm Whale Reproductive Strategies: Current Knowledge and Future Directions
Sperm whales’ reproductive strategies are centered around their extreme sexual dimorphism, both in morphology and behavior. Females are much smaller...
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Sex and Behavior
We provide a conceptual primer for sexual selection and conflict, mating systems, and socio-sexual behaviors and patterns among animals, largely with...
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Higher maternal care and tolerance in more experienced giraffe mothers
Maternal investment and maternal care provided by mammalian females can change during their ontogeny. Differences may be related to the age and/or...
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Allosuckling in southern right whale calves
Allosuckling, the suckling of milk from a non-biological mother, occurs in some species of mammals. Allosuckling has not been quantified in baleen...
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Social Communication in Phocids
Communication plays a fundamental role in the social behavior of phocids, as individuals gain valuable information that aids in kin recognition, mate...
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Mutual mother–pup vocal recognition in the highly colonial Cape fur seal: evidence of discrimination of calls with a high acoustic similarity
The Cape fur seal ( Arctocephalus pusillus pusillus ) is one of the most colonial mammal species in the world. Females exclusively nurse their pups for...
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Female-committed infanticide followed by juvenile-enacted cannibalism in wild white-faced capuchins
On 5 February 2021, we observed the first instance of female-committed infanticide followed by cannibalism in a long-studied (> 35 years) population...
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Maternal Behavior in Otariids and the Walrus
The most energetically costly phases of female reproduction in placental mammals are gestation and lactation. For the young, the success of this...
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Antarctic Fur Seal (Arctocephalus gazella, Peters 1875)
The Antarctic fur seal lives south of the Antarctic Polar Front and has never been reported breeding in Latin America. Individuals encountered...
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Cryptic kin discrimination during communal lactation in mice favours cooperation between relatives
Breeding females can cooperate by rearing their offspring communally, sharing synergistic benefits of offspring care but risking exploitation by...
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Mother–Offspring Vocal Recognition and Social System in Pinnipeds
In many species, parents and offspring have developed the ability to vocally identify each other. In avian species, a strong relationship between...
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Monitoring European badger (Meles meles) reproduction under evolving bovine tuberculosis management in Ireland
Wildlife disease management often relies on altering population abundance and density to reduce the susceptible host population. Understanding the...
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My path to primatology: some stories from the field
In this paper, I summarize the major facets of my 50-year career as a primatologist. I briefly describe the aspects of my upbringing and early...
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Social network changes during the development of immature capuchin monkeys (Sapajus spp.)
Immature indivuduals influence the formation and maintenance of social relationships within groups in diverse ways. Because of the increased interest...
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Variation of social strategies within and between individual black-tailed prairie dogs (Cynomys ludovicianus) during the reproductive season
AbstractSociality describes the tendency for members of a species to associate in a group based on social attraction. To balance the trade-offs of...
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Odontocete Social Strategies and Tactics Along and Inshore
Odontocetes are social animals, and long-term studies of nearshore species have documented high levels of social complexity, cultural innovation,...
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Suckling and allosuckling behavior in wild giraffe (Giraffa camelopardalis tippelskirchi)
Allosuckling has been reported in many mammalian species. In giraffe, allosuckling has been observed in captivity, and the milk theft hypothesis with...