MOOSE CRATERING FOR EQUISETUM IN EARLY WINTER
Moose (Alces alces) near Thunder Bay, Ontario cratered through 35-51 cm of snow to consume Equisetum fluviatile in January 1991. Laboratory analysis showed that sodium concentrations were 20-40 times higher than in nearby browsable twigs. This behaviour may extend the length of time sodium may be obtained from emergent aquatic vegetation.
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