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Drag-Based ‘Hovering’ in Ducks: The Hydrodynamics and Energetic Cost of Bottom Feeding

Diving ducks use their webbed feet to provide the propulsive force that moves them underwater. To hold position near the bottom while feeding, ducks paddle constantly to resist the buoyant force of the body. Using video sequences from two orthogonal cameras we reconstructed the 3-dimensional motion...

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Detalles Bibliográficos
Autores principales: Ribak, Gal, Swallow, John G., Jones, David R.
Formato: Texto
Lenguaje:English
Publicado: Public Library of Science 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2935360/
https://www.ncbi.nlm.nih.gov/pubmed/20830286
http://dx.doi.org/10.1371/journal.pone.0012565