Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Intimidating butterflies.

Graeme D Ruxton1

  • 1Institute of Biomedical and Life Sciences, Graham Kerr Building, University of Glasgow, Glasgow, UK, G12 8QQ. g.ruxton@bio.gla.ac.uk

Trends in Ecology & Evolution
|May 17, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Pink Cricket Club: Dramatic color change in a Neotropical leaf-masquerading katydid (Arota festae, Griffini, 1896).

Ecology·2026
Same author

Evolutionary influences of sexual signalling on protective colouration.

Trends in ecology & evolution·2025
Same author

Functional and evolutionary synergy of trait components can explain the existence of leaf masquerade in katydids.

PLoS biology·2025
Same author

Zebra stripes: the questions raised by the answers.

Biological reviews of the Cambridge Philosophical Society·2025
Same author

Ecology needs a causal overhaul.

Biological reviews of the Cambridge Philosophical Society·2025
Same author

The Choice Between Pearson's χ<sup>2</sup> Test and Fisher's Exact Test for 2 × 2 Tables.

Pharmaceutical statistics·2025
Same journal

The emerging field of wild animal welfare science.

Trends in ecology & evolution·2026
Same journal

Integrating nutritional mutualists into the evolution of defense.

Trends in ecology & evolution·2026
Same journal

Formation of three great Asian plateaus, climate change, and biodiversity: (Trends Ecol. Evol. 40, 970-982; 2025).

Trends in ecology & evolution·2026
Same journal

Digital twins as a tool for ecosystem research.

Trends in ecology & evolution·2026
Same journal

Constraint and convergence in the evolution of vertebrate sound production.

Trends in ecology & evolution·2026
Same journal

Is a comprehensive root economics space a chimera?

Trends in ecology & evolution·2026
See all related articles

Butterfly wing eyespots effectively deter bird predators, according to new research. This study provides empirical evidence for the predator intimidation hypothesis, challenging previous assumptions in evolutionary ecology.

Area of Science:

  • Evolutionary biology
  • Animal behavior
  • Ornithology

Background:

  • Many butterfly species possess conspicuous wing eyespots.
  • The prevailing hypothesis suggests these eyespots function to intimidate predators.
  • Empirical evidence supporting this hypothesis has been historically limited.

Purpose of the Study:

  • To empirically test the effectiveness of butterfly eyespots in deterring avian predators.
  • To provide robust evidence for the predator intimidation hypothesis.
  • To address the evolutionary maintenance of such anti-predator signals.

Main Methods:

  • Empirical demonstration of signal effectiveness.
  • Controlled experiments involving avian predators and butterflies with varying eyespot patterns.

Related Experiment Videos

  • Observation of predator attack behaviors and success rates.

    • Main Results:

    • Butterfly eyespots were empirically demonstrated to dissuade avian predators from attacking.
    • The study provides strong evidence that visual signals can intimidate predators.
    • Effectiveness of eyespots in reducing predation rates was quantified.

    Conclusions:

    • Eyespots serve as an effective anti-predator mechanism in butterflies.
    • Predators can be intimidated by the displays of defenseless prey.
    • Further research is needed to explain the evolutionary dynamics of such traits in predator populations.