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1: J Biol. 2004;3(2):7. Epub 2004 May 4.Click here to read Click here to read Links

Hitching a lift hydrodynamically--in swimming, flying and cycling.

Alexander RM.

School of Biology, University of Leeds, Leeds LS2 9JT, UK. r.m.alexander@leeds.ac.uk

Swimming animals set the water around them moving, and flying animals generate air movements. Other animals traveling with them can save energy by exploiting these movements of the fluid medium; similarly, a cyclist can save energy by riding close behind another. A new study of dolphin mothers and calves exemplifies the advantages of moving in concert.

PMID: 15132738 [PubMed - indexed for MEDLINE]

PMCID: PMC416560