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Looking for leaves and grass at sea?

> Indian elephants habitually swim of the mainland to islands several 
> kilometers out to sea in search of food.

Strikes me as pretty odd behavior.  There must be more to the story here. 
 After all, if you were hungry for some nice green leaves, grass, or 
etc., would you jump in the water and start swimming out to sea?

What is the bathymetry around California's Channel Islands, and those 
islands off the coast of India?  Could elephantids walk there, grazing 
(browsing) along the way, during sea-level lowstands?

Norman R. King                                       tel:  (812) 464-1794
Department of Geosciences                            fax:  (812) 464-1960
University of Southern Indiana
8600 University Blvd.
Evansville, IN 47712                      e-mail:  nking.ucs@smtp.usi.edu