Wind, Waves, and Wing Loading: Morphological Specialization May Limit Range Expansion of Endangered Albatrosses
2008

Wind, Waves, and Wing Loading: How Albatrosses Fly

Sample size: 221 publication Evidence: high

Author Information

Author(s): Suryan Robert M., Anderson David J., Shaffer Scott A., Roby Daniel D., Tremblay Yann, Costa Daniel P., Sievert Paul R., Sato Fumio, Ozaki Kiyoaki, Balogh Gregory R., Nakamura Noboru

Primary Institution: Oregon State University

Hypothesis

Regional wind and wave regimes explain observed differences in Phoebastria albatross morphology.

Conclusion

The study identifies morphological specialization in albatrosses that may limit the breeding ranges of two endangered species.

Supporting Evidence

  • Albatrosses are highly specialized for efficient long-distance flight.
  • Short-tailed albatrosses have 60% higher wing loading compared to waved albatrosses.
  • The aerodynamic performance of albatrosses is consistent with wind regimes in their breeding areas.
  • Short-tailed and waved albatrosses are outliers in body size and wing loading relationships.
  • Breeding ranges of albatrosses are constrained by their aerodynamic performance.
  • Climate change may affect the distribution limits of albatrosses.

Takeaway

Albatrosses have special body shapes that help them fly long distances, but this can also make it hard for some types to find new homes.

Methodology

The study measured albatross morphology and analyzed aerodynamic performance using satellite tracking and statistical methods.

Limitations

The study focused on inter-specific differences rather than age and gender effects, which may limit the understanding of variability within species.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0004016

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