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

Scaling bat wingbeat frequency and amplitude.

R D Bullen1, N L McKenzie

  • 1bullen2@bigpond.com

The Journal of Experimental Biology
|August 2, 2002
PubMed
Summary

Australian bat flight mechanics were studied, revealing wingbeat frequency and amplitude patterns. A new equation accurately predicts bat wingbeat frequency based on mass and speed.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same journal

Thyroid hormone determines energy efficiency of locomotion in zebrafish (Danio rerio) in a temperature-sensitive manner.

The Journal of experimental biology·2026
Same journal

Quasi-static force requirements are not sufficient to explain arolium engagement in climbing Argentine ants.

The Journal of experimental biology·2026
Same journal

Effects of wingbeat kinematics and muscle size on maximum flight speed in hummingbirds.

The Journal of experimental biology·2026
Same journal

Hydrodynamic effects of spines on zooplankton: How horns and tails alter flow and forces on barnacle nauplii.

The Journal of experimental biology·2026
Same journal

Ontogenetic shifts in fatty acid metabolic pathways of European lobster (Homarus gammarus) revealed by in vivo radiotracing.

The Journal of experimental biology·2026
Same journal

Molecular mechanisms and energetic costs of recovery from freezing in the polyextremophile midge, Belgica antarctica Jacobs.

The Journal of experimental biology·2026

Area of Science:

  • Zoology
  • Biomechanics
  • Aviation

Background:

  • Understanding bat flight is crucial for aerodynamics and evolutionary studies.
  • Previous research has focused on general flight patterns, with less emphasis on species-specific variations.

Purpose of the Study:

  • To quantify wingbeat frequency and amplitude across diverse Australian bat species.
  • To develop predictive models for bat flight parameters based on physical attributes and flight conditions.

Main Methods:

  • Field measurements of wingbeat frequency (f(w)) and amplitude (theta;(w)) for 23 Australian bat species.
  • Analysis of data to establish relationships between f(w), bat mass (m), and flight speed (V).
  • Development of an equation to predict wingbeat amplitude (theta;(w)) using flight speed and wing area (S(REF)).

Main Results:

  • Wingbeat frequency ranged from 4-13 Hz, and amplitude from 90-150 degrees.
  • A universal equation, f(w)=5.54-3.068log10m-2.857log10V, accurately predicts f(w) for most species.
  • Another equation, theta;(w)=56.92+5.18V+16.06log10S(REF), predicts wingbeat amplitude within +/-15 degrees.

Conclusions:

  • Bat wingbeat frequency is predictable using mass and speed, with minor variations across species and suborders.
  • Wingbeat amplitude is accurately predicted by flight speed and wing area.
  • These findings provide valuable insights into the biomechanics of bat flight.

Related Experiment Videos