Preprints
Filtering by Subject: Life Sciences
Microevolutionary consequences of social structure in wild spotted hyenas
Published: 2025-11-14
Subjects: Life Sciences
Social structure - arising from non-random associations and interactions among conspecifics - is a defining feature of most animal populations, yet evolutionary theory typically assumes genetic and social homogeneity. This disconnect limits our ability to predict how natural populations evolve. We combined nearly 30 years of behavioural, life-history, and genomic data from wild spotted hyenas [...]
Ecological, demographic and social factors shape helping decisions at different spatial scales in a facultative cooperative breeder
Published: 2025-11-13
Subjects: Behavior and Ethology, Ecology and Evolutionary Biology, Life Sciences
The fitness consequences of cooperative breeding are increasingly well understood, but the ecological and demographic factors driving helping remain contentious. Comparative and single-species studies have identified factors that promote the evolution of helping, but analyses typically test single hypotheses so the relative importance of different factors, and the spatial scale of their [...]
Barking up the wrong tree? Indian street dog woes are emblematic of ecological governance failures for multispecies coexistence
Published: 2025-11-13
Subjects: Behavior and Ethology, Biodiversity, Ecology and Evolutionary Biology, Life Sciences, Population Biology, Social and Behavioral Sciences
On August 11, 2025, India’s Supreme Court mandated relocating 2.5 million dogs to address bites and zoonotic disease/death concerns—but reversed course twice since then—revealing that solutions require sequential waste management, education, and sterilization that prioritize addressing root demographic and behavioral drivers over reactive management.
The Queer & Trans Field Safety Assessment: a tool for protecting minoritized field scientists
Published: 2025-11-12
Subjects: Ecology and Evolutionary Biology, Life Sciences
Ecological fieldwork poses heightened risks for LGBTQIA+ scientists due to inadequate safety protocols and identity-based vulnerabilities. Best practices to improve safety for queer field researchers exist, yet over 50% of LGBTQIA+ field scientists report feeling unsupported, with structural and cultural barriers unaddressed. Our team of 15 researchers from the University of California developed [...]
Identifying deforestation and defaunation fronts in Indonesia’s tropical forests
Published: 2025-11-11
Subjects: Life Sciences
Tropical forests are central to global climate regulation and biodiversity conservation, yet continue to face intense pressure from agricultural expansion, resource extraction, and infrastructure development. Indonesia contains some of the world’s largest remaining tropical forests and exceptionally high vertebrate diversity, but its islands differ widely in both historic forest loss and emerging [...]
Taxonomic revisions, strategic decisions research and management priorities for the threatened greater glider complex
Published: 2025-11-11
Subjects: Animal Sciences, Biology, Ecology and Evolutionary Biology, Life Sciences, Zoology
Collating and synthesising ecological information is critical for guiding effective conservation policy and management plans. This is especially pertinent for species of conservation concern. This task may be further complicated when taxonomic revisions of species and species complexes occur. Species previously managed as a single taxon may be reclassified into multiple species, and hence [...]
Another brick in the wall of European subterranean spider knowledge: adding Macaronesian species and their traits to the picture
Published: 2025-11-11
Subjects: Ecology and Evolutionary Biology, Life Sciences
Caves and other subterranean ecosystems impose highly selective environmental filters, driving the evolution of convergent and specialized traits in subterranean organisms. Here, we present the first comprehensive checklist and trait database for subterranean spiders of Macaronesia, thereby filling a significant knowledge gap relative to continental Europe. We compiled data through direct [...]
The ecology of resting behaviour in terrestrial vertebrates, and potential effects of anthropization
Published: 2025-11-10
Subjects: Behavior and Ethology, Ecology and Evolutionary Biology, Life Sciences
Inactive behaviours are a major component of animals’ lives, generally representing important proportions of time budgets. The conditions in which they occur are thus likely to have key effects on individual fitness. Yet, relatively little research has focused on the determinants and ecological consequences of inactive behaviours, likely in part because of the inherent difficulties associated [...]
Artificial light at night has life stage-specific effects on biological rhythms in a specialist insect
Published: 2025-11-10
Subjects: Life Sciences
Artificial Light at Night (ALAN) has infiltrated many once-dark nightscapes, introducing a novel cue on biological clocks. Recent research has uncovered effects of ALAN on behavior, physiology, and fitness across taxa. However, questions remain about ALAN’s effects on key biological rhythm functions like diapause and sleep, and how disruptions to these rhythms can be linked to fitness declines. [...]
Proportion of native plants is a key predictor of pollinator richness in urban greenspaces
Published: 2025-11-10
Subjects: Life Sciences
Pollinator declines are caused by a multitude of factors including pollution, global warming, disease, urbanization, deforestation, and habitat loss. Given the global increase in urbanization, identifying ways to support pollinators in cities has become an important conservation priority. Here, we investigate the effect of urbanization on pollinator richness. Using >100,000 iNaturalist [...]
A conceptual guide to studying multilevel societies
Published: 2025-11-10
Subjects: Life Sciences
1. Multilevel societies—social systems composed of multiple nested social units—have long intrigued scholars in anthropology, behavioral ecology, and evolutionary biology. Classically described in mammals, new evidence shows that multilevel societies are more widespread across taxa than previously acknowledged, raising both conceptual and methodological challenges for comparative research. 2. We [...]
TwisstNTern 2: Ternary analysis of topology weights from tree sequences
Published: 2025-11-07
Subjects: Bioinformatics, Genetics and Genomics, Life Sciences
Recent advances in genealogical inference now allow the reconstruction of genome-wide sequences of trees for large sets of samples, providing detailed records of how evolutionary relationships vary along the genome. Tree sequences encode a vast amount of information, but new approaches are needed to extract relevant patterns and make inferences. TwisstNtern is a program for visualising and [...]
High Pathogenicity Avian Influenza in Pinniped Conservation
Published: 2025-11-07
Subjects: Life Sciences
Since 2020, H5Nx highly pathogenic avian influenza viruses (HPAIVs) have caused widespread disruptions not only to global agriculture and trade but also to the health of free-ranging wildlife. Pinnipeds have experienced greater mortality from H5Nx HPAIV than any other mammalian taxa. Emergent virus strains, persisting over long time periods and vast geographic distances, have repeatedly triggered [...]
A century of invertebrate range extensions in the eastern North Pacific
Published: 2025-11-06
Subjects: Life Sciences
Aim Understanding the fundamental drivers of species’ range edges has been a core question in ecology and biogeography for centuries and has taken on new urgency in the Anthropocene. Yet range edges can rapidly shift over large distances, complicating long-term study of their dynamics. This is especially true in marine systems, where ranges may move hundreds of kilometers from one year to the [...]
Relativistic Ecological Dynamics: An Empirical Investigation of its Geometric Properties
Published: 2025-11-05
Subjects: Life Sciences
The foundational models of population dynamics, such as those by Lotka and Volterra, presuppose a static, Euclidean phase space where interactions are governed by fixed forces. The theory of Biorelativity challenges this, positing that dynamics are better described as geodesics on a manifold whose geometry is actively shaped by the system’s state and external forcings. This study gives [...]