Cultural Evolution in Non-Human Animals
- LAST REVIEWED: 24 November 2020
- LAST MODIFIED: 24 November 2020
- DOI: 10.1093/obo/9780199941728-0129
- LAST REVIEWED: 24 November 2020
- LAST MODIFIED: 24 November 2020
- DOI: 10.1093/obo/9780199941728-0129
Introduction
“Culture” is generally regarded as a population’s shared array of traditions, transmitted between individuals by processes of social learning, and which may persist from one generation to later ones. If we consider genetic material to provide the primary system of inheritance in living things, then social learning—learning from others—provides a second inheritance system in those species of animals that have the cognitive capacity to learn in this way. Once it was thought that cultural traditions inherited in this way were unique to, and defining of, our own species. This view was challenged by research arising particularly in the middle of the 20th century, which revealed evidence of the spread of innovations in the behavior of nonhuman species, generating traditions that passed from one generation to the next. Early examples included regional birdsong dialects and novel foraging techniques in Japanese macaque monkeys. Research over the last seventy years or so has accumulated a wealth of evidence that animal traditions exist in many aspects of behavior, from migration to mate choice and predator avoidance, and in numerous taxa including fish, birds, and mammals. Social learning has also been well documented in insects, although the existence of traditions in the wild remains less clear. Once such a second inheritance system does emerge, supporting the transmission of behavioral traditions, the potential exists for a second system of evolution—cultural evolution—which can be defined most simply as changes in culture over time. As in the case of organic evolution based on genetic inheritance, imperfect copying and sampling error may be sufficient to cause evolutionary changes, known as drift. Alternatively, some innovations may prove to be more adaptive than others, in which case we can expect the essential Darwinian processes of variation, selection, and inheritance to generate some directional cultural evolution. Both drift and Darwinian evolution have long been evident in human cultural evolution, but evidence has begun to accumulate for them also in nonhuman species. Humans additionally display cumulative culture, in which some form of progress builds cumulatively on the achievements of previous generations. Examples are legion, from the evolution of wheeled vehicles to languages and religions. A currently contentious issue is whether such cumulative cultural evolution is unique to our species, or is shared in some ways with others. Other current areas of uncertainty include which cognitive mechanisms underlie animal social learning and whether the precision of animal social learning can support long-lasting traditions; the degree to which animal cultures extend broadly enough across behavioral repertoires, or deeply enough in the complexity of individual traits, to be usefully compared to those of humans; and whether culture creates selection pressures that are long lasting enough to shape animals’ genomes. In general, while it is very clear that human culture is more extensive than in any other species, there is less agreement about which qualitative differences in psychological and cultural processes are responsible for this gulf.
Overviews and Themed Journal Issues
“The evolution of culture” has two rather different referents in the research literature. One meaning is that culture, in the form of socially transmitted traditions, is a phenomenon that has emerged (evolved) in numerous different taxa of animals, and therefore reflects the evolution of cognitive abilities such as precise social learning. This research field has been important in providing the foundation for the study of animal culture. The second meaning refers instead to cultural evolution within lineages, the core subject of the present bibliography.
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Article
- Adaptation
- Adaptive Radiation
- Altruism
- Amniotes, Diversification of
- Ancient DNA
- Bacterial Species Concepts
- Behavioral Ecology
- Canalization and Robustness
- Cancer, Evolutionary Processes in
- Character Displacement
- Coevolution
- Cognition, Evolution of
- Constraints, Evolutionary
- Contemporary Evolution
- Convergent Evolution
- Cooperation and Conflict: Microbes to Humans
- Cooperative Breeding in Insects and Vertebrates
- Creationism
- Cryptic Female Choice
- Darwin, Charles
- Darwinism
- Disease Virulence, Evolution of
- Diversification, Diversity-Dependent
- Eco-Evolutionary Dynamics
- Ecological Speciation
- Endosymbiosis
- Epigenetics and Behavior
- Epistasis and Evolution
- Eusocial Insects as a Model for Understanding Altruism, Co...
- Eusociality
- Evidence of Evolution, The
- Evolution
- Evolution and Development: Genes and Mutations Underlying ...
- Evolution and Development of Individual Behavioral Variati...
- Evolution, Cultural
- Evolution of Animal Mating Systems
- Evolution of Antibiotic Resistance
- Evolution of New Genes
- Evolution of Plant Mating Systems
- Evolution of Specialization
- Evolutionary Biology of Aging
- Evolutionary Biomechanics
- Evolutionary Computation
- Evolutionary Developmental Biology
- Evolutionary Ecology of Communities
- Experimental Evolution
- Extinction
- Field Studies of Natural Selection
- Fossils
- Founder Effect Speciation
- Frequency-Dependent Selection
- Fungi, Evolution of
- Gene Duplication
- Gene Expression, Evolution of
- Gene Flow
- Genetics, Ecological
- Genome Evolution
- Geographic Variation
- Gradualism
- Group Selection
- Heterochrony
- Heterozygosity
- History of Evolutionary Thought, 1860–1925
- History of Evolutionary Thought before Darwin
- History of Evolutionary Thought Since 1930
- Human Behavioral Ecology
- Human Evolution
- Hybrid Speciation
- Hybrid Zones
- Hybridization and Diversification
- Identifying the Genomic Basis Underlying Phenotypic Variat...
- Inbreeding and Inbreeding Depression
- Inclusive Fitness
- Innovation, Evolutionary
- Islands as Evolutionary Laboratories
- Kin Selection
- Land Plants, Evolution of
- Landscape Genetics
- Landscapes, Adaptive
- Language, Evolution of
- Latitudinal Diversity Gradient, The
- Macroevolution
- Macroevolution, Clade-Level Interactions and
- Macroevolutionary Rates
- Male-Male Competition
- Mass Extinction
- Mate Choice
- Maternal Effects
- Mating Tactics and Strategies
- Medicine, Evolutionary
- Meiotic Drive
- Mimicry
- Modern Synthesis, The
- Molecular Clocks
- Molecular Phylogenetics
- Mutation Rate and Spectrum
- Mutualism, Evolution of
- Natural Selection in Human Populations
- Natural Selection in the Genome, Detecting
- Neutral Theory
- New Zealand, Evolutionary Biogeography of
- Niche Construction
- Niche Evolution
- Non-Human Animals, Cultural Evolution in
- Origin and Early Evolution of Animals
- Origin of Amniotes and the Amniotic Egg
- Origin of Eukaryotes
- Origin of Life, The
- Paradox of Sex
- Parallel Speciation
- Parental Care, Evolution of
- Parthenogenesis
- Personality Differences, Evolution of
- Pest Management, Evolution and
- Phenotypic Plasticity
- Phylogenetic Comparative Methods and Tests of Macroevoluti...
- Phylogenetic Trees, Interpretation of
- Phylogeography
- Polyploid Speciation
- Population Genetics
- Population Structure
- Post-Copulatory Sexual Selection
- Psychology, Evolutionary
- Punctuated Equilibria
- Quantitative Genetic Variation and Heritability
- Reaction Norms, Evolution of
- Reinforcement
- Reproductive Proteins, Evolution of
- Selection, Directional
- Selection, Disruptive
- Selection Gradients
- Selection, Natural
- Selection, Sexual
- Selective Sweeps
- Selfish Genes
- Sequential Speciation and Cascading Divergence
- Sexual Conflict
- Sexual Selection and Speciation
- Sexual Size Dimorphism
- Speciation
- Speciation Continuum
- Speciation Genetics and Genomics
- Speciation, Geography of
- Speciation, Sympatric
- Species Concepts
- Species Delimitation
- Sperm Competition
- Stasis
- Systems Biology
- Taxonomy and Classification
- Tetrapod Evolution
- The Philosophy of Evolutionary Biology
- Theory, Coalescent
- Trends, Evolutionary
- Vertebrates, Origin of
- Wallace, Alfred Russel