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

Avian diving, respiratory physiology and the marginal value theorem

Walton1, Ruxton, Monaghan

  • 1Division of Environmental & Evolutionary Biology, University of Glasgow

Animal Behaviour
|December 16, 1998
PubMed
Summary

Diving birds exhibit a humped relationship between dive duration and surface time, challenging existing models. This study explains this pattern by incorporating avian respiratory physiology into diving behavior models.

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

Lacerated Wound of the Neck in a Horse.

The Journal of comparative medicine and surgery·2022
Same author

Impaction of the Colon in a Horse.

The Journal of comparative medicine and surgery·2022
Same author

Flatulent Colic in a Horse.

The Journal of comparative medicine and surgery·2022
Same author

A Case of Colic Followed by Enteritis Ulceration of Stomach and Possible Perforation.

The Journal of comparative medicine and surgery·2022
Same author

Treat 'em mean, keep 'em keen: are females drawn to aggressive males?

Trends in ecology & evolution·2001
Same author

Ganaxolone: a novel positive allosteric modulator of the GABA(A) receptor complex for the treatment of epilepsy.

Expert opinion on investigational drugs·2001

Area of Science:

  • Animal Behavior
  • Physiology
  • Ecology

Background:

  • Diving birds show a characteristic dive-to-surface ratio that changes with dive duration.
  • Existing marginal value models do not fully predict this observed humped relationship.
  • The smooth oxygen recovery curve in models may not accurately reflect avian respiratory physiology.

Purpose of the Study:

  • To investigate the physiological basis for the humped dive-to-surface ratio in diving birds.
  • To modify existing diving models to incorporate a more realistic oxygen gain curve.
  • To test model predictions using behavioral data from three seabird species.

Main Methods:

  • Modified two classical diving behavior models.
  • Incorporated a kinked oxygen gain curve based on avian respiratory physiology.

Related Experiment Videos

  • Collected and analyzed dive and surface period data from shag, black guillemot, and common guillemot.

    • Main Results:

    • The modified models successfully predicted the humped relationship between dive-to-surface ratio and dive duration.
    • All three studied seabird species exhibited the predicted humped relationship.
    • The peak dive-to-surface ratio occurred at shorter dive durations when oxygen stores were depleted.

    Conclusions:

    • Avian respiratory physiology, specifically a kinked oxygen gain curve, explains the humped dive-to-surface ratio.
    • The revised models provide a better framework for understanding optimal diving behavior in birds.
    • Behavioral data from multiple species support the physiological model's predictions.