Results 91 to 100 of about 8,198 (219)
Shape Matters: Lemurs Eat Much Bigger Rounded Than Cubic Foods
American Journal of Biological Anthropology, Volume 188, Issue 4, December 2025.ABSTRACT Objectives Evaluations of maximum ingested bite size (Vb)—the largest bite an animal will ingest whole without biting apart first—provide insights into dietary behaviors. Despite extensive Vb research, it remains unclear whether linear gape or oral volume—related to food minimum linear dimensions or maximal volume, respectively—constrains ...
Ashley R. Deutsch, Adam Hartstone‐Rose
wiley +1 more source
An Observation of Coordinated Collaboration in Wild Brown Skua (Stercorarius antarcticus)
Ecology and Evolution, Volume 15, Issue 12, December 2025.We present the first video evidence of cooperative food processing in wild brown skuas (Stercorarius antarcticus) on the Antarctic Peninsula. Our observations show that pairs coordinated their actions over space and time, consistent with actively coordinated collaboration.
George J. F. Swan +2 more
wiley +1 more source
Pesquisa Veterinária Brasileira, 2012 The capuchin monkey is widespread both north and south of the Legal Amazon and in the Brazilian cerrado. Ten clinically healthy capuchin monkeys were submitted to an anatomical and radiographic study of their thoracic cavities.
Flávio R. Alves +6 more
doaj
International Journal of Psychological Research, 2016 According to the concept of allostasis and its association with energy mobilization, glucocorticoids (GCs) should parallel cumulative energy expenditure for animal survival and reproduction. Therefore, it is expected that seasonal food shortages might
Caio M. Moreira +3 more
doaj +1 more source
The Evolution of Our Preferences: Evidence from Capuchin-Monkey Trading Behavior [PDF]
Behavioral economics has demonstrated systematic decision-making biases in both lab and field data. But are these biases learned or innate? We investigate this question using experiments on a novel set of subjects — capuchin monkeys.
Laurie Santos +2 more
core
Nutritional and health status of woolly monkeys [PDF]
, 2008 Woolly monkeys (Lagothrix lagotricha and L. flavicauda) are threatened species in the wild and in captivity. Numerous zoological institutions have historically kept Lagothrix lagotricha spp., but only a few of them have succeeded in breeding populations.
Ange-van Heugten, K.D. +3 more
core +2 more sources
Close encounters of the friendly kind: pacific between‐group interactions in primates
Biological Reviews, Volume 100, Issue 6, Page 2257-2284, December 2025.ABSTRACT While intergroup conflict features prominently in the behavioural ecology literature, its antonym, intergroup peace, has been a rather neglected phenomenon until recently. Neighbourly relations and affiliative interactions are far from uncommon.
Cyril C. Grueter, Luca Pozzi
wiley +1 more source
Reconsidering mammal extinctions in the Pernambuco Endemism Center of the Brazilian Atlantic Forest [PDF]
, 2018 Reconsiderando la extinción de mamíferos en el Centro de Endemismo Pernambuco perteneciente al bosque atlántico brasileño Se ha calculado que, en los últimos 500 años, se han extinguido 21 mamíferos en el Centro de Endemismo Pernambuco.
Feijó, A. +3 more
core +3 more sources
Frontiers in NeuroscienceThe capuchin monkey (Sapajus apella), a New World monkey species, exhibits prominent characteristics that make it an ideal model for neuroscience research.
Laís Resque Russo Pedrosa +6 more
doaj +1 more source